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7 April, 11:09

The perimeter of a triangle is 67 meters. The second side is 6 meters less than the first side. The third side is one more than twice as long as the second side.

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  1. 7 April, 14:46
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    Let x be the first side

    Then, x - 6 is the second side

    And, 2 * (x-6) + 1 is the third side.

    67 = x + (x-6) + 2 * (x-6) + 1

    First side = 21

    Second Side: x - 6 = 15

    Third side: 2 (15) = 30
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