Answer:
All real numbers -----> X=0
Explanation:
1) 3x + 6 = 3(2 + x) Distribute the 3 on the right side
2) 3x + 6 = 6 + 3x Subtract 3x from both sides
3) 6=6 Subtract 6 from each side
4) 0=0
5) All real numbers
I hope this helps you and good luck on your assignment.