Homework Help: math 012

Posted by amy on Friday, January 30, 2009 at 11:53pm.

Hi, I am trying to do homework for my math 012 class- solving linear equations- and I need help with 9 of the problems. I would really appreciate any help with this. I can do the problems and send them to you, or however you prefer.

Thanks!

math 012 - drwls, Friday, January 30, 2009 at 11:56pm
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math 012 - amy, Saturday, January 31, 2009 at 12:12am
ok thanks!

-6(1x-3)-26=-8

-6(1x-3)-26=-8
-6x+18-26=-8
-6x+44=-8
-44 -44
-6x=36
-6 =-6
x=6
math 012 - drwls, Saturday, January 31, 2009 at 5:41am
It is conventional to just write x, instead of 1x, wheneve the coefficient of an algebraic variable is 1.

There is a mistake in what you did.

Let's take a look.
-6(x-3)-26 = -8
-6x +18 -26 = -8
(You got that far OK)
-6x - 8 = -8
-6x = 0
x = 0
math 012 - amy, Saturday, January 31, 2009 at 10:40am
One more thing with this problem if you can explain for me. how come in the forth step, it is -6x=0?
math 012 - drwls, Saturday, January 31, 2009 at 11:37am
I added 8 to both sides of the equation, thus eliminating it.
math 012 - kathy, Saturday, July 2, 2011 at 3:45pm
how to solve this math problem x/3 - 8 = -2

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