# Find the Inverse 13+ log of x

Interchange the variables.
Solve for .
Rewrite the equation as .
Subtract from both sides of the equation.
Rewrite in exponential form using the definition of a logarithm. If and are positive real numbers and , then is equivalent to .
Rewrite the equation as .
Solve for and replace with .
Replace the with to show the final answer.
Set up the composite result function.
Evaluate by substituting in the value of into .
Combine the opposite terms in .
Subtract from .