x+y
2(x-1)+9=2(y+1)-5
x+y+4=2x+13-y
2x-2+9=2y+2-5
-x+2y=9
2x-2y=-10
x=-1
1+2y=9
2y=8
y=4
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x+y+4=2x+13-y
2x-2+9=2y+2-5
-x+2y=9
2x-2y=-10
x=-1
1+2y=9
2y=8
y=4
x=-1
y=4