Question

Решите уравнение
2х+5=5х-4

Answer 1

2x + 5 = 5x - 4
2x - 5x = - 4 - 5
- 3x = - 9
3x = 9
x = 9/3
x = 3 

Answer 2

2х-5х=-4-5
-3х=-9
Х=3.......