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April 21, 2014

Homework Help: algebra

Posted by Christi on Tuesday, December 11, 2007 at 6:51pm.

solve the following using substitution
8x-4y=16
y=2x-4

8x-4(2x-4)=16
8x-8x+16=16
0x+16=16
so what do i do now?

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