Question 722267
2x+y=-5 multiply by -2 & add.
3x+2y=-8
-4x-2y=10
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-x=2
x=-2 ans.
2*-2+y=-5
-4+y=-5
y=-5+4
y=-1 ans.
Proof:
3*-2+2*-1=-8
-6--2=-8
-8=-8