Помогите срочно!!!! уравнение: -7(X+3)+9=5-6x
- 7(x + 3) + 9 = 5 - 6x
- 7x - 21 + 9 = 5 - 6x
- 7x - 12 = 5 - 6x
- 7x + 6x = 5 + 12
- x = 17
x = - 17