Question

Combine like terms - y + 9z - 16y - 25z + 4

Answer 1

`- 17y - 16z + 4`

Explanation:

1) Collect like terms.

`( - y - 16y) + (9z - 25z) + 4`

2) Simplify.

`- 17y - 16z + 4`

So, therefor, the answer is -17y - 16z + 4.