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x+1=0
x+1=0/*(-2)
-2*x-2=0
(2x-2)+(2x+3y-10)=0
3y-12=0
3y=12//:3
y=12/3
y=4
2x+3y-10=0
2x+2=0 /-2
2x=-2 /:2
x=-2/2
x=1
y=4
x=-1