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19 June, 10:37

Log5 (x+6) - log5 (x+2) = log5x

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  1. 19 June, 14:18
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    X = 2

    Use the log rules to condense the left side.

    log5 ((x+6) / (x+2)) = log5x

    log 5 will cancel on both sides.

    (x+6) / (x+2) = x

    Solving you get x=2 and x = - 3. The domain of log is x >0 so the - 3 is an extraneous solution.
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