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1. The perimeter of a rectangle is 38 m. If its length is 5 m less than twice its width, find the dimensions of the rectangle.
2. The perimeter of a parallelogram is 80 cm. If one side is 8 cm more than the other side, find the sides of the parallelogram.
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(1) If the length is 5m less than the twice its width, find the dimension of the rectangle. Let the width equal x m, then its length will be 2x-5 m, and half of the perimeter is represented by the equation: x+2x-5=19. Solving this equation we find the width x=8 m.
(2) The sides of the parallelogram are 24 and 16.
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