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x+2/5 -2y=5/∧5
x-(x+2)/6=3/∧6
x+2-10y=25
6x- (x+12)=18
x-10y=23
6x-x-12=18
x-10y=23
5x=30/:5
x-10y=23
x=6
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6-10y=23
-10y=23-6
-10y=17
y=-1,7
x=6
y=-1,7