The perimeter of a rectangle with sides x+6 and x-6 is equal to 48 inches. What is the value of x?

Mathematics · Middle School · Tue Nov 03 2020

Answered on

Formula used :

Perimeter of rectangle = 2(l+w)

Perimeter = 48 inches

And sides are x+6 and x-6

Putting values in formula, we get

48 = 2(x+6 + x-6)

48 = 2(2x)

48 = 4x

x = 48/4

x = 12

 

Thus, the value of x is 12.