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If log10 5 + log10 (5x + 1) = log10 (x + 5) + 1, then x is equal to: ?->(Show Answer!)
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1. If log10 5 + log10 (5x + 1) = log10 (x + 5) + 1, then x is equal to:





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  • By: guest on 01 Jun 2017 05.46 pm
    log10 5 + log10 (5x + 1) = log10 (x + 5) + 1 log10 5 + log10 (5x + 1) = log10 (x + 5) + log10 10 log10 [5 (5x + 1)] = log10 [10(x + 5)] 5(5x + 1) = 10(x + 5) 5x + 1 = 2x + 10 3x = 9 x = 3.
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