Answer:
-35y-30=?
Explanation:
First things first... we need to get all of those numbers out of the parenthesis. To do that we can use the distributive property.
5(-6-7y)=?
[multiply 5 and -6 to get -30, and 5 and -7y to get -35y]
-35y-30=?
This is the most simplified answer I know of.