Answer:
8n + 4
Step-by-step explanation:
Basically, all you need to do is combine like terms.
In other words, put the similar numbers and numbers with variables together.
9n + 1 - 3n + 2 + 2n + 1
9n + 1 - 3n + 2 + 2n + 1
9n - 3n + 2n = 8n
8n + 1 + 2 + 1
1 + 2 + 1 = 4
8n + 4
Hope this helped! :)
