algebra

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The shorter side of a triangle is 5 inches less than the medium size side. The larger side is 12 inches more than the medium size side. If the perimeter of the triangle is 40 inches, find the size of each side of the triangle. Show your work

  • algebra -

    x+12+x-5+x=40
    3x+7=40
    3x=33
    x=11
    x-5+6
    x+12=23

    23, 11, 6

  • algebra -

    Let m = the length of the medium sized side.

    m + m - 5 + m + 12 = 40
    3m + 7 = 40
    3m = 33
    m = ?

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