Respuesta :

Answer:

6a - 9

Step-by-step explanation:

First off, let's put all of the identical variables besides each other, to make this equation easier.

-5ab - (-5ab) + 6a - 8 - 1

Then, we simply solve.

-5ab + 5ab = 0

6a = 6a

-8 - 1 = -9

So you're left with 6a - 9 as your answer.

Hope that helps!