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14 January, 11:32

The measures of the 3 sides of of a triangle can be represented by the algebraic expressions x, 3x-1, and 4x+2. the perimeter of the triangle is 81 inches. what are the lengths of the sides of the triangle?

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  1. 14 January, 15:17
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    The perimeter of triangle is the sum of the three sides of the triangle.

    x + 3x - 1 + 4x + 2 = 81

    8x + 1 = 81

    8x = 80

    x = 10

    The length of the sides of the triangle are 10 inches, 3 (10) - 1 = 29 inches, 4 (10) + 2 = 42 inches.
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