First you combine like terms. Adding 5n and 4n together to get 9n+3=30. Then you subtract 3 from 30 and end up with 9n=27.
Then you divide 27 by 9 and end up with n=3.
So the answer is 3.
A
8p + 4
Meaning we could split it and do 2*4*p +4
Just follow PEMDAS
Answer:
The answer is 150 degree.