3*(х-5)=х+3 ; -2*(х+3)=2х-1 ; -(2х+1)=1-х

Question

3*(х-5)=х+3 ; -2*(х+3)=2х-1 ; -(2х+1)=1-х

Answer 1

3(х-5)=х+3
3x-15=x+3
2x=18
x=9

-2(x+3)=2x-1
-2x-6=2x-1
-4x=5
x=-1.25
-2x-1=1-x
-x=2
x=-2