SOLUTION: {{{6^x*5^(x-1)=7}}}
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Question 172997:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
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x*log(6) + (x-1)*log(5) = log(7) (all logs have the same base)
x*(log(6)+log(5)) = log(7) + log(5)
x*log(30) = log(35)
x = log(35)/log(30)
x = 1.045322474
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