The algebraic expression used to represent the perimeter of a rectangle is 4x - 8
How to find perimeter of a rectangle
- Length of the rectangle = x meters
- Width = (x - 4) meters
Perimeter of a rectangle = 2(length + width)
= 2{x + (x - 4)
= 2(x + x - 4)
= 2(2x - 4)
= 4x - 8
Therefore, the expression to represent the perimeter of a rectangle is 4x - 8
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