C 9y-24 because
2 x 3y = 6y
2 x 6 = 12
so 6y + 12
then
3 x - 4 = - 12
3 x y = 3y
so - 12 + 3y
so like terms
6y + 3y = 9y
and
-12 + 12 = -24
9y - 24
First distribute.
2(3y+6)-3(-4-y) =
6y+12+12+3y =
9y+24
Your answer is D.
8.3m questions
10.9m answers