Answer:
I think it's -7/15p=-4/5 because when I combined the like terms that is what I got. The like terms are -2/3p and 1/5p, 1/5 and -1. So, when I combine them I got -7/15 for -2/3p and 1/5p, -4/5 for 1/5 and -1 and as it says equivalent, that's why I put it like that: -7/15p=-4/5