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Mathematics, 04.11.2019 11:31 kathlynskare06

Isaac is trying to solve the problem below. the length of a rectangle is 7 inches greater than the width. the perimeter is 70 inches. what is the width of the rectangle? isaac solved an equation, and the solution was w = 14. he then made sure that a rectangle with width 14 inches and length 21 inches had a perimeter of 70 inches. which problem-solving step was this?

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