Answer:
3x-8
Step-by-step explanation:
The perimeter of the wrestling mat is
[tex]P=12x-32[/tex]
Since the mat is square-shaped, all of its sides have the same length L and the perimeter is 4L, so to find the length of the side we have to divide by 4
[tex]L=\frac{12x-32}{4}=3x-8\ feet[/tex]
