SOLUTION: solve 81^5x+3=243^3x using logarithms
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Question 318345: solve 81^5x+3=243^3x using logarithms
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
\ =\ \log_3(243^{3x}))
\log_3(81)\ =\ (3x)\log_3(243))
\log_3(3^4)\ =\ (3x)\log_3(3^5))
\log_3(3)\ +\ 5(3x)\log_3(3))
But _\ =\ 1)
, so:
\ =\ 5(3x))
John
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