Question

How to solve 9(8y-9)-(6y+8)

Answer 1

9(8y-9) - (6y+8)

First thing you need to do is distribute. Multiply the 9 by every number inside the first parentheses.

(9*8y) - (9*9) - (6y+8)
72y - 81 - 6y - 8

Now combine like terms.
66y - 89

66y - 89 is the answer.