If w represents the width of the garden, then 6w-37 is the length. The perimeter of a rectangle is twice the sum of length and width, so the perimeter is ...
164 = 2(w +(6w -37)) = 14w -74
238 = 14w
238/14 = w = 17
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6w-37 = 6·17 -37 = 65
The width of the garden is 17 feet; the length is 65 feet.
