Решите уравнение -11(3-x)+12=-7(x+3)
- 33 + 11x + 12 = - 7x - 21 11x + 7x = - 21 + 21 18x = 0 x = 0/18 x = 0
-33+11х+12=-7х-21 11х+7х=33-12-21 18х=0 х=0÷18=0