Question

Помогите срочно!
2,5х+12=2х-13

Answer 1

2,5х+12=2х-13
2,5х-2х=-13-12
0,5х=-25
х=-50

Answer 2

2,5х+12=2х-13
2,5х-2х=-13-12
0,5х=-25
Х=-50