
- 2 - 4 - 9y +

+ y
First, simplify

to 81. / Your problem should look like: -81 - 2 - 4 - 9y +

+ y.
Second, gather like terms. / Your problem should look like: -81 - 2 - 4 + (-9y + y) +

.
Third, simplify. / Your problem should look like: -81 - 2 - 4 - 8y +

.
Fourth, simplify. / Your problem should look like: -8y +

- 87.
Answer: -8y +

- 87