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August 31, 2015

Homework Help: algebra

Posted by Katherine on Tuesday, October 5, 2010 at 6:28pm.

I need help showing me how to do some problems..
5. 28-0.3y = 0.7y-12
I got 10/400 or 0.025..

and
3c-4c+1=5c+2+3
I ended up getting c=1 but the book says it's wrong too.. What am I doing wrong?

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