Respuesta :

Answer:

−8x  +  3 or D

Step-by-step explanation:

-3x - 1 - 5x + 4

add/ subtract all x values

-3x - 5x = -8x

add/ subtract all real numbers

-1 + 4 = 3

MARK ME BRAINLIEST

Answer:

D) -8x+3

Step-by-step explanation:

-3x-1-5x+4

-3x-5x-1+4

-8x-1+4

-8x+3