Respuesta :

editszbygrace

Answer:

-1 - 17x

Step-by-step explanation:

Firstly you arrange the like terms as follows:

(17 - 18) (- 12x - 5x)

Then you work it out:

17 - 18 = -1

-12x - 5x = -17x

After you combine the answers:

-1 -17x

Finally you get:

-1 - 17x