(x+y)/2+(x-y)/3=8
4(x+y)+8/3(x-y)=64
4(x+y)-5(x-y)=-28
4(x+y)-5(x-y)-【4(x+y)+8/3(x-y)】=-92
-(8/3+5)(x-y)=92
x-y=12
(x+y)/2+(x-y)/3=8
(x+y)/2+4=8
x+y=8
x=10
y=-2
(x+y)/2+(x-y)/3=8
4(x+y)+8/3(x-y)=64
4(x+y)-5(x-y)=-28
4(x+y)-5(x-y)-【4(x+y)+8/3(x-y)】=-92
-(8/3+5)(x-y)=92
x-y=12
(x+y)/2+(x-y)/3=8
(x+y)/2+4=8
x+y=8
x=10
y=-2