Geometry

find the lengths of the sides of a triangle whose perimeter is 37. The measure of the first side of the triangle is 8 less than the second side, and the second side is twice the length of the third side

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  1. third side --- x
    second --- 2x
    first---- 2x - 8

    can you solve
    x + 2x + 2x-8 = 37 ?

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  2. x=9

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  3. If the perimeter of the first triangle is 21 m, what is the perimeter of the second?

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