Question

• Заполни пропуски
6a - …. = -3a
6x - ….-13x = -7x -9
6x - ….-13x +1 – 4x = … - 8
5(a +….) = 5a +5b
5(a - ….) =5a – 10
-4(….+ 2) = -4x -….

Answer 1

1. 9а^2
2. 9
3. 9 и -11х
4. 2
5.b
6. 2
7. x и 8