Question

Помогите пожалуйста!

Answer 1

2.  а) 2b*(2x-2y)  б) 3ax*(5a-6x)

3. 16-2(x-3.5) = 3-4x

16 - 2x +7 = 3-4x

23-2x=3-4x

4x-2x=3+23

2x= 26

x=13

Answer 2

3. 16-2(x-3.5) = 3-4x

Answer 3

16 - 2x +7 = 3-4x; 23-2x=3-4x; 4x-2x=3+23; 2x= 26; x=13