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3x-1/3-y+3/2=-1
3x-3/2+2y+6=7/2
3x-y=1/3-3/2-1
3x+2y=-3/2-6+7/2
3x-y=2/6-9/6-1
3x+2y=-11 /*(-1)
3x-y=-1/2
-3x-2y=11
3x-y=-1/2
-3x+3x-2y-y=11-1/2
-3y=10,5 /(-3)
y=-3,5
3x+2y=-11
3x+2(-3,5)=-11
3x-7=-11
3x=7+11
3x=18/3
x=6
y=-3,5
x=6