Answer:
3n + 6
Step-by-step explanation:
So the simplified version is 3n + 18
3n + 6 X
3n + 18 = 3n + 18
2n + 8 + n + 10 = 3n + 18
2(n + 6) + 6 + n = 3n + 18
All of them except the first are EQUIVALENT.
3n+6 is not equivalent.
