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Ответ

Ответ дан
Dominatrix
2x-2=-2x
2x+2x=2
4x=2
x=2/4
x=0,5

4x=-12
x=-12/4
x=-3

5-x+3=6
-x=6-5-3
-x=-2
x=2

11x-10x=7-9
x=-2

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