2x+y=3
3x-y=-8
_______
5x=-5
X=-1
sub in any equation
2×-1+y=3
-2+y=3
y=3+2
y=5
X= -1, y=5
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2x+y=3
3x-y=-8
_______
5x=-5
X=-1
sub in any equation
2×-1+y=3
-2+y=3
y=3+2
y=5
X= -1, y=5