Question

3-4x=x-12
Помогите!!!!
Срочно!!!

Answer 1

3 - 4x = x - 12
3 + 12 = x + 4x
15 = 5x
5x = 15
x = 15 : 5
x = 3

Ответ: 3

Answer 2

3-4х=х-12
-4-х=-3-12
-5х=-15
5х=15
х=3