Solve 21st
21. The area of a rectangle reduces by 160 m2 if its length is increased by 5m and breadth is reduced by 4 m. However, if length is decreased by 10 m and breadth is increaed by 2m, then its area is decreased by 100 m2. Find dimensions of the rectangle
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https://www.meritnation.com/ask-answer/question/the-area-of-a-rectangle-gets-reduced-by-9-square-units-if/pair-of-linear-equations-in-two-variables/4738728
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