Question

I got this find the perimeter of the rectangle length= 2x width= 10 + x i dont understand, can someone explain???

Answer 1

6x + 20

Explanation:

the formula for the perimeter of the rectangle is 2 x (length + width)

from the question length = 2x

width = 10 + x

2(2x + 10 + x)

2 (3x + 10 )

6x + 20