# Forming ln(y)= into y=

1. Feb 25, 2009

### MathNoob123

1. The problem statement, all variables and given/known data
right now i have to solve a certain problem and in order to do so I need to know how to change ln(5y)=(x-3)^-1+C into a y= format where only y is on the left and x is on the right Any help is very appreciated, thanks

2. Relevant equations

3. The attempt at a solution
I really have no idea how to do this. Please explain the process to me thanks.

2. Feb 25, 2009

### Tom Mattson

Staff Emeritus
It's quite simple actually. If $f(x)=\ln(x)$ then $f^{-1}(x)=e^x$. That's all you need.