Respuesta :

xXDrazeKXx

Answer:

-80x+23

Step-by-step explanation:

First combine like terms..

-28x - 52x

In which you subtract you get..

-80x

21+2= 23

you combine them you get...

-80x+23

tolaosunrinde

Answer: -80x+23

Step-by-step explanation:

-28×-52×+21+2

-80x+23