Answer:
substract 4 from both sides..?
Step-by-step explanation:
18m + 45n + 90
You have to multiply whatever is inside the parentheses to the thing outside of it
like 2 x 9 is 18 so 18m
5 x 9 = 45 so 45n
9 x 10 = 90 so 90
The answer is 16, I'm positive.
