Need help ASAP, Tysm i really appreciate it

Answer:
-5n + 16
Step-by-step explanation:
Distribute the 7 to the equation inside the parenthesis.
7(n + 1) - 12n + 9
7n + 7 - 12n + 9
Bring the -12n towards the 7n.
7n - 12n + 7 + 9
Add or subtract like terms.
7n - 12n + 7 + 9
-5n + 16
Answer:
-5n + 16