Найдите корень уравнения 6+2х=7(х+3)

Question

Найдите корень уравнения 6+2х=7(х+3)

Answer 1

6+2х=7(х+3)
6+2x=7x+21
2x-7x=21-6
-5x=25

x=-5

Answer 2

6 + 2x = 7( x + 3)
6 + 2x =7x + 21
2x - 7x = 21 - 6
- 5x = 15
5x = - 15
x = - 3