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Ответ

Автор - Viktoriay1234
1-3х=х+1
3х-х=1-1
2х=0
х=0:2
х=0
10+2х=0
2х=0-10
2х=-10
х=-10:2
х=-5

Ответ

Автор - Danilcin
1. 4х=0
    х=0
2. 2х= -10
   х=-10/2
   х=-5
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