x-3 + 2x+1 = x-5 3 4 12

Question

x-3 + 2x+1 = x-5
3 4 12

Answer 1

Х-3+2х+1= х-5
3х-3+2х+1=х-5
3х+2х-х=-5+3-1
4х=-3
х=-1,3

4х-3+2х+1=х-5
4х+2х-х=-5+3-1
5х=-3
х=-1,6

12х-3+2х+1=х-5
12х+2х-х=-5+3-1
13х=-3
х=-4,3