Respuesta :

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.

Answer:

3n+6 is not equivalent.

Step-by-step explanation: