Question

Решите уравнение -(2x+1)=1-x;

Answer 1

-2x-1=1-x
-2x+x=1+1
-1x=2
x=2÷(-1)

Answer 2

-(2х+1)=1+х

Answer 3

-2х-1=1-х

Answer 4

-2х+х=1+1

Answer 5

-х=2

Answer 6

х=-2