Question

Solve the following for x:
4e^5x-1=8

Answer 1

\[4e ^{5x}-1=8\]
is this your question?

Answer 2

\[4e ^{5x}=9\]
\[e ^{5x}=\frac{ 9 }{ 4 }\]
taking log base e both sides
\[5x=\log_{e} \frac{ 9 }{ 4 }\]
\[x=\frac{ 1 }{ 5 }\log_{e}\frac{ 9 }{ 4 } \]