geometry

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The length of a certain rectangle is 4 meters more than three times its width. If the perimeter of the rectangle is 56 meters, then the width of the rectangle is

  • geometry -

    width ... x m
    length ... 3x+4

    solve 2(x + 3x+4) = 56

  • geometry -

    x+3x+4=56/2
    4x+4=28
    4x=28-4
    4x=24
    x=6

  • geometry -

    x+3x+4=56/2
    4x+4=28
    4x=28-4
    4x=24
    x=6
    length=3x+4
    =3x6+4
    =18+4
    =22

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