Question

решите примеры 3x+1=x-7
-5x-11=-x-3
2+x=45+2x
-x+12=3x+4
2x+35=-3x+2

Answer 1

1)3x+1=x-7

2х=-8

х=-4

 

2)-5x-11=-x-3

-4х=8

х=-2

 

3)2+x=45+2x

-х=2/4=1/2

х=-1/2

 

4)-x+12=3x+4

-4х=1

-х=1/4

х=-1/4

 

5)2x+35=-3x+2

 х=-1/4