$\"\"$

\

The logarithm equation is $\"\"$ .

\

Definition of logarithmic functions : if $\"\"$ , then $\"\"$ .

\

$\"\"$

\

Solve for $\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

The solution set is $\"\"$ .