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3x +2y = -2|.1| 3x +2y = -2
------ ---------------- -
-8y = 32
y = -4
x-2y = 10
x -(2.-4) = 10
x + 8 = 10
x = 10-8
x =2
3x+2y=-2 (+)
4x=8
x=2
subs. x=2
2-2y=10
-2y=8
y=-4