Algebra help
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Topic: Algebra help
Posted By: Da Hui
Subject: Algebra help
Date Posted: 04 October 2007 at 1:26pm
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I suck at Algebra. I failed it both times I took it. So I'm taking it again, this time I'm actually working. But I cant figure out this problem. 4x+1/2(12x+2)=3 Help? ------------- 
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Replies:
Posted By: Benjichang
Date Posted: 04 October 2007 at 1:28pm
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I got x=1/5
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Posted By: Benjichang
Date Posted: 04 October 2007 at 1:33pm
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Just distribute the 1/2 to the numbers in parenthesis first so you get: 4x+6x+1=3 Subtract 1 from both sides and combine like terms: 10x=2 Divide both sides by 10. x=2/10 Reduce. x=1/5 ------------- irc.esper.net #paintball |
Posted By: pntbl freak
Date Posted: 04 October 2007 at 1:34pm
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^^^^ What he said.
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Posted By: Da Hui
Date Posted: 04 October 2007 at 1:35pm
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Thanks bro. -------------
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Posted By: PAINTBALL1
Date Posted: 04 October 2007 at 1:36pm
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Holy Crap! I suck HARD at Algebra. F that, glad I don't have to worry about it, until I get into the Air Force. ------------- USAF Special Weapons Technician. |
Posted By: reifidom
Date Posted: 04 October 2007 at 1:39pm
I did it and got that same process and result. Just remember to distribute what you can. Usually it'll help. Combine whatever terms you can. Basically, just simplify it as much as possible and see what you get. ------------- 
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Benjichang wrote:Posted By: Da Hui
Date Posted: 04 October 2007 at 1:46pm
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One more 3/2(x+8)=12 Thanks -------------
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Posted By: Linus
Date Posted: 04 October 2007 at 1:57pm
4x+6x+1=3 10x+1=3 -1 10x=2 /10 x= .2 = 1/5 ------------- 
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Posted By: Hades
Date Posted: 04 October 2007 at 1:58pm
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Do your own homework. ------------- 
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Posted By: reifidom
Date Posted: 04 October 2007 at 1:59pm
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3/2(x+8) = 12
Distribute 3/2x + 12 = 12 Move over the 12 3/2x = 0 x must equal 0 Do you see how it follows the same pattern as the first? You distribute the term to the parenthesis, collect like terms, and solve from there. In this case distributing the term is a bit odd, but it works out. You'll just have to give it a try. The next one you have trouble with post what you've done as well. You can read answers all day, but you've got to know how to do it come test time. You've got to understand the how and the why. -------------
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Posted By: Da Hui
Date Posted: 04 October 2007 at 2:00pm
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Posted By: Man Bites Dog
Date Posted: 04 October 2007 at 2:40pm
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I am embarrassingly bad at math. The highest math I have taken here in college, and will ever take, is Finite Math, which is the equivalent of 9th grade high-school mathematics. I can explain the Federalist Papers inside and out, but God help me if I have to do a basic algebra problem. ------------- 
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Posted By: Pezzer
Date Posted: 04 October 2007 at 3:15pm
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Well I see enough people have helped already. Might I ask which algebra this is? I simply think you need some motivation to learn algebra. I recently read a book written by an engineer, he describes ways of solving problems, thinking, and learning. One of his main points is that if you don't have the desire to do something, you might as well not do it. Well, it seems to me you don't care about it, so you don't do well. Work harder at it if you want to go to upper level maths. This is the stuff we have to be able to figure out very quickly in our head in my calculus class. My teacher gave us a quiz, 10 algebra problems. We had 5 minutes, no calculator, and the only thing we could write down were answers. The maximum you could miss was 1/2 of 1 point, otherwise, you take it again until you do pass it. ------------- Suck, sqeeze, bang, blow, and GO! 
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Posted By: Ben Dover II
Date Posted: 04 October 2007 at 3:35pm
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im in algebra, and my teacher is very hard, she marked 5 problems wrong on my homework because i didnt put a negitive sign in my work, the answe was right though. ------------- 
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Posted By: Benjichang
Date Posted: 04 October 2007 at 3:46pm
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I'm actually pretty glad that BioStats 2 is the last 'math class' that I ever have to take.
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Posted By: ¤ Råp¡Ð F¡rè ¤
Date Posted: 04 October 2007 at 3:58pm
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I'm surprised that this many people are concerned with algebra. Not to sound ignorant of those who have difficulty with math, but isn't this like grade-school stuff?
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Posted By: -ProDigY-
Date Posted: 04 October 2007 at 4:05pm
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Posted By: Ben Dover II
Date Posted: 04 October 2007 at 4:07pm
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14, lol -------------
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Posted By: procarbinefreak
Date Posted: 04 October 2007 at 4:20pm
| easiest... algebra... ever |
Posted By: Da Hui
Date Posted: 04 October 2007 at 4:29pm
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I've always sucked at math. Science and English come easy to me. And the fact that I never gave a <poopy> about math till now doesn't help. -------------
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Posted By: Rambino
Date Posted: 04 October 2007 at 4:55pm
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How can you simultaneously find math difficult and science easy? One is pretty much a prerequisite for the other...? ------------- [IMG]http://i38.tinypic.com/aag8s8.jpg"> |
Posted By: rossy11223
Date Posted: 04 October 2007 at 5:01pm
| Math and science pretty much go with each other. Lucky for me I'm good at them. It's English and writing that I hate. AP chemistry is giving me a pretty hard time though. |
Posted By: Darur
Date Posted: 04 October 2007 at 7:30pm
Most people who find science easy in High School are referring more to understanding concept, such as the Krebb cycle or Ideal Gas Law. Much of the math you have to do is just plugging in the numbers into formulas given to you with no comprehension of why it works needed. I'm not surprised to see people struggle with algebra or fractions. In the Algebra II class I do directed studies in (mostly Juniors and a few Seniors), the teacher had to spend two weeks teaching them how to add and subtract fractions, they hadn't even covered multiplication or division of fractions. My entire Calculus class has basically taught themselves the Algebra they know, the math program over here is absolute crap. ------------- Real Men play Tuba [IMG]http://img89.imageshack.us/img89/1859/newsmall6xz.jpg"> PH33R TEH 1337 Dwarf! http://www.tippmann.com/forum/wwf77a/log_off_user.asp" rel="nofollow - DONT CLICK ME!!1 |
Posted By: Uncle Rudder
Date Posted: 04 October 2007 at 10:29pm
2 words
organic chemistry, if you can count to 8 by 2's your in pretty good shape. :-) ------------- 
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Posted By: Linus
Date Posted: 04 October 2007 at 10:33pm
Though I didn't take the math portion of the placement test seriously, so now I'm in a class that is super easy and surrounded by complete idiots. I hate and suck at algebra, but understand geometry totally.. most people are just the opposite it seems like. I'm sorry, but I don't know when 3x+5(1/2z-5w)=10x+30y+(-3/7z+3w) will EVER be used in MANY occupations. -------------
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Posted By: jerseypaint
Date Posted: 04 October 2007 at 10:41pm
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Wow. I was just doing that stuff in class today. It took me like 15 min to do like 20 of them so I could get credit for home work. If you know how to distribute and have a calculator, its insanely simple. ------------- 
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Posted By: bravecoward
Date Posted: 04 October 2007 at 10:42pm
how is it right when it doesn't have the right number? ------------- 
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Posted By: STOcocker
Date Posted: 04 October 2007 at 10:45pm
You would be surprised how useful algebra/calculus really are. A lot of programs are run entirely by math equations. My calculus teacher had a math professor that was a millionaire because he created a formula that is used to focus camera lenses. |
Posted By: Man Bites Dog
Date Posted: 04 October 2007 at 10:56pm
It is, and I have never been good at math since grade school. I don't know what it is, but math just does not connect in my head at all. I have had great teachers, and I still just do not get it. It is not that I cannot do it, I managed to get through algebra I and II with a B and a C respectively in highschool, and got a B+ in Finite Math here in college, but I had to work a lot harder for it than others, who just seemed to "get it." I wish I could explain it, but I cannot. -------------
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