Respuesta :

Answer:

16x-4

Step-by-step explanation:

There are 2 sides that are x-3 and 2 sides that are 7x+1. You have to add all the sides together.

First, you can double each side to get 2x-6 and 14x+2.

Then you add 2x-6+14x+2 to get 16x-4.

Hope this helps!