Answer:
Perimeter = 16 + 2x .
Explanation:
Given : The length of a rectangle is 8 inches and the width is x inches.
To find : What is the perimeter, in inches?
Solution : We have given
Length of rectangle = 8 inches .
Width = x inches .
Perimeter = 2 ( length + width ) .
Perimeter = 2 ( 8 + x ) .
Perimeter = 16 + 2x .
Therefore, Perimeter = 16 + 2x .