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2(y+2)+3(x-y)=2x-1
-3x-6+2x+2y=2
2y+4+3x-3y=2x-1
-x+2y=8
x-y=-5
x=-5+y
-(-5+y)+2y=8
5-y+2y=8
y=3
x=-5+y
x=-5+3
x=-2
spr:
-3(x+2)+2(x+y)=2
-3(-2+2)+2(-2+3)=2
6-6-4+6=2
2=2