Question

-9 + 5y - 7y + 3y = ?

Answer 1

-9 + y

Explanation:

For this problem, you have to combine like terms.

-9 is the only number that doesn't have a variable.

5y, -7y, 3y have all the the same variables, so we'll combine those.

5y - 7y = -2y

-2y + 3y = 1y

Solution: -9 + y