Решите уравнение -(2x+1)=1-x;

Question

Решите уравнение -(2x+1)=1-x;

Answer 1

-2x-1=1-x
-2x+x=1+1
-1x=2
x=2÷(-1)

Comments

решения

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-(2х+1)=1+х

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-2х-1=1-х

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-2х+х=1+1

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-х=2

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х=-2