Answer:
N = 18
Step-by-step explanation:
18/4
the answer for your question is b
b + 13y
4b + 5y - 3b + 8y = 4b - 3b + 5y + 8y
I rearranged the like terms together.
4b - 3b + 5y + 8y = b + 13y
Simplify.