Tuesday

September 30, 2014

September 30, 2014

Posted by **Me** on Monday, February 19, 2007 at 9:45pm.

step by srep the problems

1) x+ y=13

22x + 36y =356

2)-3x +2y=8

3x + 2y=8

#1 use substitution. subsitute y with y=13-X, and solve for x.

22X+36(13-X)=356

-14X=-112

x=8

8+y=13

y=5

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