Question

This one is suuuuuper hard

Answer 1

`\begin{gathered} e^(5x)=20 \\ \text{Getting the 5th root of both sides} \\ e^x=\sqrt[5]{20}=20^{(1)/(5)}\text We get the natural logarithm, ln of both sides \\ log_ex=\ln x \\ \ln _{}e^x=\ln 20^{(1)/(5)} \\ x\ln e=(1)/(5)\ln 20 \\ x=(1)/(5)*3=(3)/(5) \\ \end{gathered}`

Worthy of note: Ln refers to the natural logarithm of a number. By natural logarithm, its logarithm to the base of e, Euler's number.