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20 October, 23:06

The perimeter of a triangle is 84 mperiod The longest side of the triangle is 7 m less than twice the length of the shortest side, X. The middle side is 7 m longer than the shorter side. What is the length of each side of the triangle

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  1. 21 October, 00:29
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    short side = x

    medium side = x+7

    longest side = 2x-7

    write equation:

    x+x+7+2x-7=84

    4x=84

    divide each side by 4

    x=21 short side

    x+7=21+7=28 medium side

    2x-7=2 (21) - 7=42-7=35 longest side
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