Answer:
6z - 6x + 2y
Step-by-step explanation:
Add like terms
6z
-8x, +2x
-9y, +11y
this is done by grouping like terms as this
[tex]6z - 8x + 2x - 9y + 11y[/tex]
[tex] = 6z - 6x + 2y[/tex]
as final answer.
