3|1-x|=9
|1-x|=3
а) 1-x=3; х=-2;
б) 1-x=-3; х=4;
-2+4=2
Ответ 2
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3|1-x|=9
|1-x|=3
а) 1-x=3; х=-2;
б) 1-x=-3; х=4;
-2+4=2
Ответ 2