Respuesta :

Answer:

-3x+8

Step-by-step explanation:

−2x−x+8

-2x and -x both have the variable x in them so we can combine them

-2x-x = -3x

-3x+8

Answer:-3x+8

Step-by-step explanation:

Negative - a negative= negative so -2x-x= -3x and the 8 is just an 8 because it has nothing to combine