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Math Help - exp&log functions query

  1. #1
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    exp&log functions query

    Can anyone help me with the following question:
    log_5 5(6x+1) = 13
    So far I have: 6x+1 = log513 since i believe this is the first stange but to know how to proceed...
    Last edited by 14041471; March 30th 2009 at 12:51 PM.
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  2. #2
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    Quote Originally Posted by 14041471 View Post
    Can anyone help me with the following question:
    log_5 5(6x+1) = 13
    So far I have: 6x+1 = log513 since i believe this is the first stange but to know how to proceed...
    Hi 14041471,

    \log_55(6x+1)=13

    \log_5(30x+5)=13

    30x+5=5^{13}

    30x=5^{13}-5

    x=\frac{5^{13}-5}{30}
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