Question

7⋅(6+x)−3x=5x−66
Срочно!!!

Answer 1

Ответ:

$7(6 + x) - 3x = 5x - 66 \\ 42 + 7x - 3x = 5x - 66 \\ 42 + 4x = 5x - 66 \\ 4x - 5x = - 66 - 42$

x = 108

Answer 2

Ответ:

7(6+x)−3x=5x−66

7(x+6)-3x=5x-66

7x+42-3x=5x-66

4x+42=5x-66

4x+42-42=5x-66-42

4x=5x-108

108=5x-4x

108=x

x=108