Respuesta :

AlexandriaSvHs

Answer:

A.

Step-by-step explanation: Okay you can simplify step-by-step.

x+x+x

Combine Like Terms:

=x+x+x

=(x+x+x)

=3x

Answer:

=3x

Gabby18221
A. Add all the letters and get 3 then multiply that by r