What’s the answer guys?!

Sadie computes the perimeter of a rectangle by adding the length, l, and width, w, and doubling this sum. eric computes the perimeter of a rectangle by doubling the length, l, doubling the width, w, and adding the doubled amounts. write an equation for sadie’s way of calculating the

This question awards 100 ! i really don’t want to fail i will also mark you !

Don't know how to find x given these segment lengths