Question

2х-5=х+2. (с проверкой)

Answer 1

2х - 5 = х + 2
2х - х = 5 + 2
х = 7
Проверка:
14 - 5 = 7 + 2
9 = 9 Верно.

Answer 2

2x - 5 = x + 2

2x - x = 7

x = 7

14 - 5 = 7 + 2

9 = 9