How to solve a logarithm?

Question

I'm stumble upon the following logarithm expression. What is the value of $x$ in it? $$\log_x (x^5) = 5$$

Answer 1

HINT:

By definition, $y=\log_b(a)$ if $a=b^y$ for $b\ne 1$.

Here, we have $b=x$, $y=x$, and $a=x^5$.

What can you conclude now?