Question

5(x-1)+3(y+1)=10 4（x+3)-2(y-x)=32

Answer 1

5(x-1)+3(y+1)=10 .①

4(x+3)-2(y-x)=32.②

化简①：5x+3y=12 .③

化简②：3x-y=10 .④

③+④×3：x=3

把x=3代入④：y=-1

x=3

y=-1