Respuesta :

Answer:x=-1

Step-by-step explanation:

-8x-20=2(-x-9)-4x

-8x-20=-2x-18-4x

-8x-20=-6x-18

-8x-20+20=-6x-18+20

-8x=-6x+2

-8x+6x=-6x+2+6x

-2x=2

-2x/-2=2/-2

x=-1