algebra 2

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the perimeter of a triangle is 49 centimeters. find the lenghts of its sides, if the longest side is 9 centimeters longer than the shorter side, and the remaining side is 4 centimeters longer than the shorter side.

  • algebra 2 -

    49=x+(x+9)+(x+4)
    49=3x+13
    36=3x
    12+x
    so one side is 12cm, on is 16cm and one is 21cm

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