Inactive Tutor answered 01/08/14
Tutor
New to Wyzant
I assume there is no answer to the right of the = sign. So this is a simplification problem. Get rid of the parentheses by multiplying everything inside the parentheses by -3. Remember that - x - = +:
-3 x 5 - (-3)x 2y = -15 + 6 y.