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Mathematics 10 Online
OpenStudy (anonymous):

7^(4x+1)=5

OpenStudy (anonymous):

try taking log on both sides

OpenStudy (anonymous):

\[7^{(4x+1)}=5\]\[(4x+1)\ln 7=\ln 5\]\[4x+1=\frac{\ln 5}{\ln 7}\]x=\[x=\frac{1}{4}(\frac{\ln5}{\ln7}-1)\]

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