Will someone help me with some math problems?

[rebgirl420]

Ill give rep to whoever can help. Im terrible in math and these problems are giving me a hard time.

2 (x + 4) - 5 (x - 3) = 32

and

3 x - 8 (3 - x) = 53

[bobthenuker]

first one is x = -3
second one is x = 7

woops heres how u do it:
2x + 8 - 5x + 15 = 32
isolate the x's on one side, and all other numbers on the other.
so -3x = 9
Also 2 negatives gives a positive (-5 times -3) = positive.

3x - 24 + 8x = 53
same thing just isolate the sides so 11x = 77, and yea

[inbud]

looks like high school alegebra, or are you in college?

[TPot]

Here's all of the solutions, written out.

2 (x + 4) - 5 (x - 3) = 32
2x + 8 -5x +15 = 32
-3x +23 = 32
(-3x +23) - 23 = 32 - 23
-3x = 9
x = -3

3 x - 8 (3 - x) = 53
3x - 24 + 8x = 53
3x + 8x - 24 = 53
(11x - 24) + 24 = 53 + 24
11x = 77
x = 7

Use the associative and distributive properties to solve for x. :thumbsup:

Hope this helps you understand it better.

[rebgirl420]

Thanks bob! Enjoy your new green rep box

and its algebra 2 in college. Im horrible in math. Im actually on the phone w/ my fiance as i type. hes got a degree in accounting and business law...hes helping me

[rebgirl420]

Fuck math. Math can die. I hate, hate, hate, hate, hate, hate, hate, hate math. Its worthless. A complete waste of time and energy. Even while sober.

:mad:

:beatdeadhorse:

:cursing:

:what:

:wtf3:

:chainsaw:

:gunfighter2:

:S4:

[Coelho]

Reb, dont be so mean... if were not by the math, there would not be computers, and you wouldnt be posting here right now... to say the least...
Also, if you hate it, you wont understand it... i know very well how is to hate some subjects, and can say that it doesnt help... maybe if you find a good teacher that make you understand it well, maybe you will hate it less, and even like it.
Im a teacher myself, but im afraid im too far to be useful for you... anyway, good luck! :thumbsup:

[GraziLovesMary]

Fuck math. Math can die. I hate, hate, hate, hate, hate, hate, hate, hate math. Its worthless. A complete waste of time and energy. Even while sober.

:mad:

:beatdeadhorse:

:cursing:

:what:

:wtf3:

:chainsaw:

:gunfighter2:

:S4:

lol I said the same thing for my entire school career, always slept through math class.

Until I got into college physics and the first few days were a review of the basic Calc and Trig that I did NOT know...

But that ended up not being a problem.. when the world is explained in terms of physics, and the mathematical equations that arise, you actually get to see a visual representation of math, and why and how it works. Then all those many confused little dots began to connect to each other. Take an introductory physics course if you have an elective you want to fill, it might help alot with your understanding of math, I know it did for me. Just make sure you ask around and find the best physics teacher, because thats 95% of it.

[rebgirl420]

Yeah well im going for teaching and I can say that I will not ever use this.

Its not that its hard, its that its even harder to do because all my classes are online. So if I do need help or if i'm lost I have to call the teacher (God knows I better make it between the certain 3 hour period she allows calls or else she'll shit a brick).

I don't mind doing math i'll use. But i'll never use this. I still get A's in all my classes but man, taking 15 minutes to do a problem is freaking ridiculous.

[GraziLovesMary]

Yeah well im going for teaching and I can say that I will not ever use this.

Its not that its hard, its that its even harder to do because all my classes are online. So if I do need help or if i'm lost I have to call the teacher (God knows I better make it between the certain 3 hour period she allows calls or else she'll shit a brick).

I don't mind doing math i'll use. But i'll never use this. I still get A's in all my classes but man, taking 15 minutes to do a problem is freaking ridiculous.

Oddly enough there have been instances in my life when Ive needed to solve a real world problem with algebraic equations, and I was in a daze the whole time because I said the same things you did, and I was struggling to remember the right formulas. You say you will never use it, as I said the same thing, but we are both very young, and you are just beginning college life. I hate to tell you this, but you will use it alot more than you think you will, both in and out of school.

However... taking classes online fucking blows, and its made even worse when you dont enjoy or understand it. Best of luck hon, hope it gets better for you! If you need any help I got your back... along with many members of this site that are probably more qualified lol.

[rebgirl420]

hahah awwww

Yeah I know. But damnit its just so frustrating! Math is the only thing I have troubles with. Everything else is a breeze! It just never clicked. But yeah, Im sure there are people on here who are great in math. I mean guys are better in math right? And the ratio of guys to females here is...well damnit thats a math problem too. But you get the gist of what I mean. :mad:

[happiestmferoutthere]

[quote=rebgirl420;the ratio of guys to females here is...well damnit thats a math problem too. :mad:[/quote]
HAHAHA! That's cute!

I was always really bad in math also. Thank goodness I did well in my other courses, and it averaged out. I'd be lost without my fingers! One of the things that really impressed me about my husband is he's a math whiz. He can figure shit in his head, sometimes faster than I can check his answer on the calculator.

Oh, by the way, I have NEVER had to use algebra in real life. My hubby says he never has either.( I just asked him) Its a scam put in place by "The Man"!!:p

[rebgirl420]

^ hahahahaha AH HA! See!!!! Someone else agrees!

Okay folks, take a stab at these if you want

(a) 7x + 2y = 6
(b) 1/2 y + x = -4
(c) If 3x = 4y + 12 find y when x = 0
(d) If a line passes through (-5, 0) and (0, 2), then it passes through all but which quadrant?

[sam44]

they teach algebra 2 in college? wtf

[rebgirl420]

Yeah well they do online. Its not just algebra 2 though. Its geometry also.

[Dmo18]

u said ur fiance has a degree in accounting and business law
is he a smoker too?
im an accounting major now and no one and i mean no one i have come in contact with in my classes smokes
im really startin to think its like a rule or something

[rebgirl420]

Yeah he has a bachelers degree in it. He smokes sometimes but its rare. He doesnt even drink either. He's pretty straight laced, but he doesnt mind me smoking at all. And since im a daily smoker, thats a good thing.

But when he does smoke he prefers chillums :thumbsup:

[Dmo18]

thats kool

[420_24/7]

Okay folks, take a stab at these if you want

(a) 7x + 2y = 6
(b) 1/2 y + x = -4
(c) If 3x = 4y + 12 find y when x = 0
(d) If a line passes through (-5, 0) and (0, 2), then it passes through all but which quadrant?

idk bout a and b but
c is -3
d is 4th quadrant

[rebgirl420]

^ Yeah I got those a while ago. I called John up and he figured them out. but ill rep you anyway hun :)

[rebgirl420]

b is y = 0 and x = -4

[GraziLovesMary]

Oh, by the way, I have NEVER had to use algebra in real life. My hubby says he never has either.( I just asked him) Its a scam put in place by "The Man"!!:p

But can you really be 100% sure that you have not used Algebraic formulas without realising what they really were? Not doubting you, just wondering aloud!


And Reb.. yeah dont worry Math was also the only subject that I had any trouble with. The biggest problem with it is that almost all teaching methods rely on repitition to store formulas and equations in your long-term memory, as opposed to using interconnections, which are more reliable and longer lasting connections.

For example, when my professor was describing rotational inertia and vector quantities, he used a stoplight swinging in the wind as an example. The outside edge was rotating around the attachment point at the top, which served perfectly as a radius. We added quantities to the equation, then calculated the force of the wind pushing against the light in vector quantities.

Lol looking back 30 seconds in retrospect, that probably wont make much sense to you :o but if you had a professor that explained how these seemingly pointless equations had real-world applications, and could be used to solve problems and situations that you might actually come across, the significance of them would be much more impressionable.

I hated matrices all throughout school, any fuckin time I came across them I was blown. I knew I would never use them.. who the fuck would?!? Until I decided to design a new microprocessor cube that instead of being a single 2-D matrix, or an array of interconnected 2-D matrices, it is a 3-Dimensional matrice structure, where energy transfer can take place in any direction along the X, Y, and Z axes, and depending on the medium, the W axis as well.

I guess all I can say is good luck! If you have to rely on yourself for teaching, scour the book for any example of how you can relate these pointless equations into a real-world situation.


EDIT: Just wanted to point out how strange it feels defending math against the very same arguments I myself posed for the first 20 or so years of my life.

[Mississippi Steve]

FWIW I had problems not wit the math, but with the teachers.... I figured that the whole thing was about understanding and being able to apply the concept. The teachers thought it was about the repititious busy work. They marked all the problems wrong that didn't have the 12 or 15 steps layed out, even though the answer was correct. and they would mark correct all the ones with all of the steps shown.....EVEN WHEN THEY HAD THE WRONG ANSWER.

I could never figure that one out....nor could the school board.

I couldn't get past the stoopid teacher in High School, and failed algebra twice..... but aced geometry, trig, and calc in college.......go figure.

[Gandalf_The_Grey]

Fuck math. Math can die. I hate, hate, hate, hate, hate, hate, hate, hate math. Its worthless. A complete waste of time and energy. Even while sober.

:mad:

:beatdeadhorse:

:cursing:

:what:

:wtf3:

:chainsaw:

:gunfighter2:

:S4:


My thoughts exactly! :D

I don't think any type of mental excercise has enraged me so much as math. This is why I stick to my main talent; writing:jointsmile:

[Coelho]

Damn Gandalf... im disappointed... you seems to be very intelligent, i never would imagine that you hated math... its a waste of intelligence to hate it... but to each his own... as im sure other people would say the same thing about the (many) subjects i hate.

[rebgirl420]

Well I make up for my lacking in math with my intense love for history, writing, psych, and other classes like the ones I just stated. I take my school very seriously though. It is and always has been my number one priority. My parents beat that into my head as a child and it has stayed with me since. My mother was never good at school but now works in a factory in quality control and my father was very good in school (he got me into politics and history as a kid and i've loved it since) but he didn't have the money for college so he went the navy route instead. His whole life he worked 2 jobs 9good jobs mind you) to make sure I was cared for and always insisted that I not have to work like a dog like he does.

He instilled a solid work ethic in me that I appreciate immensly. That and he showed me the wonderful herb. He's exactly the kind of parent everyone should have. I gues it's safe to say i'm a daddy's girl. :)

[GraziLovesMary]

Everybody has their strengths and weaknesses for a reason. Some can decide to try and equalize their strengths, then build them up simultaneously. Others choose to focus and excel exponentially at the subjects that they are passionate about.

[YYZ]

Math rocks. It's a universal (literally) language, and the heart of all sciences, art, and history.

But I know how you feel. Stick with it and it'll keep getting less and less painful. Then, suddenly one day, it becomes fun.

Pic is from the awesome webcomic xkcd (http://www.xkcd.com)

[rebgirl420]

Yeah I know about xkcd, I learned about it on snopes.com

[420_24/7]

Yeah I know about xkcd, I learned about it on snopes.com

gluing captions to your cats!??!?!:wtf::wtf::wtf: WTF
that hilarious!

[rebgirl420]

Yeah like these

[420_24/7]

omg, cats, so cute:D

[r0k]

^ hahahahaha AH HA! See!!!! Someone else agrees!

Okay folks, take a stab at these if you want

(a) 7x + 2y = 6
(b) 1/2 y + x = -4
(c) If 3x = 4y + 12 find y when x = 0
(d) If a line passes through (-5, 0) and (0, 2), then it passes through all but which quadrant?


Yeaah, we'd need more info to solve a and b.

[420_24/7]

do you have any more of those, reb, im gonna send a bunch of em to my friend

[smoke_and_fly]

im ok at math not the greatest
i was always in top classes at school but algebra is a waste of time
peace

[MadSativa]

guys math is the a begening to all science, but I know how it is to get realy frustrated with math problems, so I can relate. I use algebra every day, and geometry. Just remember all these problems have answers, so their easy you just have to work em.

[Mississippi Steve]

guys math is the a begening to all science, but I know how it is to get realy frustrated with math problems, so I can relate. I use algebra every day, and geometry. Just remember all these problems have answers, so their easy you just have to work em.

Anybody who builds a spreadsheet workbook in Excel is using some serious algebra, and formulas to interconnect the pages, and entries on the pages.

[couch-potato]

No offense to anyone in here, but I found amusement in the thought that a pretty girl could get random people to do her math homework for her over the internet. Not that Cann.com is full of friendly people, but the concept of it is comic gold to me.

[expandingeye]

i am just curious how far into the course you are?
cause im taking algebra for like the 5th time, first time in college though, and those problems all seem like basic algebra we went over weeks ago.

[jakez]

If you're having trouble with the problems you could try finding websites online that teach it in a different/interesting/easier way, I am sure there are millions of them, all it takes is the right method to make it all *click*

[rebgirl420]

i am just curious how far into the course you are?
cause im taking algebra for like the 5th time, first time in college though, and those problems all seem like basic algebra we went over weeks ago.

Since I do all my work online I use this thing we call a portal. Its pretty much like an online classroom where all your work is listed and such. Well our whole portal has been down and when it finally was fixed (like 2 weeks ago) it still has all sorts of bugs. Like for example, our in school internet is down. Therefor I can't even email my professors (I end up having to call them, what a pain in the ass). So all my stupid classes (except Psych for some odd reason) started late. Really late.

You would assume that they would have tried to hammer out all these details but alas, they didn't. Now there running around like a chicken with its head cut off trying to throw everything together.

This reminds me also, work has also been dissapearing in the portal too. One day I logged onto my child development class and ALL my work was gone. And when I called the professor she pretty much told me, "Oh well, do it again.". Thank god I save 90 percent of the work I do. But I was still pissed.