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December 22, 2014

December 22, 2014

Posted by **andrea** on Thursday, February 22, 2007 at 10:27pm.

{3x+2y=8

{x-y=1

(2,1)

please don't think i just made that up, it's correct. you have to use substitution, when you do solve for x and y, you get: x= y+1 and y=x-1, plug in y for 3x+2y=8 and you get: y=1, then plug in "1" everywhere there is a y and you get: x=2.

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