Calculating Garden Dimensions

A rectangular garden has a length that is 3 feet less than twice its width. If the perimeter of the garden is 54 feet, what is the width of the garden?

Let the width be represented by $$w$$. The length can then be expressed as $$2w - 3$$. The formula for the perimeter $$P$$ of a rectangle is given by:

$$P = 2(length + width)$$