Answer:
13y + 1/3 + 6m
Step-by-step explanation:
6y + 4/15 + 9m + 1/15 + 7y - 3m = 6y +1/3 + 9m + 7y - 3m = 13y + 1/3 + 6m
It's already in slope intercept form
slope = 2/3
Intercept = (-5,3)
The answer is a