Question

A square has a perimeter of 8x - 10 units, Each side is x units long. What is the value of x?

Answer 1

They want you to recognize that you can make 2 equations that both are equal to P.... the perimeter.... and then set them equal to each other and solve for x .. as below

Explanation:

P = 8x-10

P = 4x

4x = 8x-10

10 = 4x

2.5 = x