$\"\"$

\

The equation is $\"\"$ .

\

Solve for $\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

Apply natural logarithm on each side.

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

The natural logarithm of any negative number $\"\"$ is $\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$ .

\

$\"\"$

\

$\"\"$ .