Answer:
16
Step-by-step explanation:
3n + 2 - n =
Combine terms
3n-n +2
2n +2
Let n=7
2(7) +2
14+2
First you need to substitute, 3(7) + 2 - 7 = ? 21 + 2 - 7 = ? 23 - 7 = ? ? = 16
