Answer:
12n+9
Step-by-step explanation:
-Add 10n + 2n (Combine Like Terms)
= 12n
After that, , if there are no other changes to the "9", add it with 12n.
= 12n + 9
Answer: 12n+9
Step-by-step explanation:
Add 10n and 2n.
Combine Like Terms... Like Terms = 10n and 2n.
Leave your 9 alone because there is nothing you can do to it. Add 10n and 2n together to get 12n.
That will give you your answer as 12n+9.
Hope this helps you out! Good luck! ☺
-Leif Jonsi-
