2y-8=-x,4x+3y=7

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2y-8=-x,4x+3y=7

2y-8=-x,4x+3y=7
2y-8=-x,4x+3y=7

2y-8=-x,4x+3y=7
2y-8=-x,x+2y=8...(1)
4x+3y=7 ...(2)
(1)×4-(2)
5y=25
y=5
x=-2