How to Solve an Equation with Natural Logarithms?

[beanryu]

[SOLVED] Simple algebraic equation

Homework Statement

I got stuck on solving an equation on this step...
x+ln(6-2e^x)=ln4

Homework Equations

The Attempt at a Solution

I just don't know how to do ln(6-2e^x)... in general, what's ln(a-b)?

Thanx in advance.

 

[Dick]

There is no form for ln(a-b). Take e to the power of both sides of your equation. You do know a form for e^(a+b), right?

 

[beanryu]

i got it thanks a lot