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Math Help - Solve logarithm equation.

  1. #1
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    Solve logarithm equation.

    Solve \log_{3}(2x-1)=2
    Last edited by mr fantastic; June 9th 2010 at 12:28 AM. Reason: Re-titled and edited (I have assumed the OP wants to solve the equation).
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  2. #2
    MHF Contributor harish21's Avatar
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    Quote Originally Posted by Stud778 View Post
    \log_{3}(2x-1)=2
    \frac{log(2x-1)}{log(3)}=2

    log(2x-1) = 2log(3)

    log(2x-1) = log(3^2)

    can you finish?
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  3. #3
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    Quote Originally Posted by Stud778 View Post
    \log_{3}(2x-1)=2
    property of log 3^2=2x-1
    9=2x-1
    10=2x
    x=5
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