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12 February, 08:42

The perimeter of a triangle is 6x. One side is x+3 and another side is 2x+4. What is the length of the 3rd side?

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  1. 12 February, 09:06
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    Let y = the length of the 3rd side

    x+3 + 2x+4 + y = 6x

    x + 2x + 3 + 4 + y = 6x

    3x + 7 + y = 6x

    7 + y = 3x

    y = 3x - 7

    The length of the third side in terms of x is 3x-7
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