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x - 2 = 5 - (2 - y)
y + 2 - 3 + x = 0
x - 2 = 5 - 2 + y
y = -x + 1
y = x - 5
-x + 1 = x - 5
2x = 6
x = 3
y = -2
x-2=5-(2-y)
y+2-3+x=0
x-2=5-2+y
y+x=1
x-y=5/*(-1)
y+x=1
-x+y=-5
2y=-4/ :2
y=-2
y+x=1
-2+x=1
x=1+2
x=3