Monday
April 21, 2014

Homework Help: Algebra HELP!

Posted by Lori on Friday, March 21, 2008 at 6:24pm.

solve
7x+5(-3x-4)=-21-7x
7x+(-15x-20=-7x-21
-8x-20=-7x-21
7 7
-8x-20+7x=-21
-1x-20=-21
20 20
-1x/-1 = -1/-1
x=1

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