I need some help on this question

Question

The perimeter of a rectangular garden is 56.5. The width is X, and the length is 25 ft. What is the width, in feet, of the garden

Answer 1

Perimeter = 2·Length + 2·Width

1. Perimeter = 56.5 ft
2. Length = 25 ft
3. Width = x

56.5 = 2·(25) + 2x

Solve for x.