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