A=2(l+w) for l

Discussion in 'Calculator Requests' started by math_celebrity, Sep 9, 2016.

  1. math_celebrity

    math_celebrity Administrator Staff Member

    Multiply through:
    A = 2l + 2w

    To solve for l, subtract 2w from each side:
    2l = A - 2w

    Divide each side by 2
    l = (A - 2w)/2
     

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