$\"\"$

The logarithm equation is $\"\"$ .

$\"\"$

Apply quotient property of logarithm : $\"\"$ .

$\"\"$ .

Definition of logarithm : $\"\"$ if and only if $\"\"$ .

$\"\"$

$\"\"$ .

$\"\"$

Check logarithm equation at $\"\"$ .

Substitute $\"\"$ in $\"\"$

$\"\"$

Logarithm equation exist at $\"\"$ .

$\"\"$

The value of $\"\"$ is $\"\"$ .