Posted by **Lia** on Monday, February 19, 2007 at 9:09pm.

x=0 and y=4 in the second problem

X+y=13

22x + 36y=356

-3x + 2y =8

3x + 2y=8

y=4

hold, on i'm trying to find x

x=2 & y=1 on the last one :)

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