Answer:
D and E
Explanation:
When solving, the left side and right side have to be the same.
D) 3(x - 1) = 3x - 3
use the distributive property on the left
3x - 3 = 3x - 3
E) 2x + 2 = 2(x + 1)
use the distributive property on the right
2x + 2 = 2x + 2