Question

Plz help I need help

Answer 1

16y + 7z

Explanation:

The only thing you need to do is combine like terms.

9y + 11z + 7y - 4z

Add 9 + 7 together.

16y + 11z - 4z

Subtract 4 from 11.

16y + 7z

Hope this helps.

Answer 2

16y+7z

Explanation:

combine like terms, so 9y+7y, and 11z-4z