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