Question: 7. A 5x7 picture frame is surrounded by a border of uniform width as shown below. If the area of just the border is 64

7. A 5x7 picture frame is surrounded by a border of uniform width as shown below. If the area of just the border is 64 square inches then what is x? Do your best to set up an equation based on this information that will allow you to solve for x. X 5 in X 7 in

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