$\"\"$

The equation is $\"\"$ .

$\"\"$ (Apply Property of equality for logarithmic functions)

$\"\"$ (Apply Power property: $\"\"$ )

$\"\"$ (Divide each side by $\"\"$ )

$\"\"$ (Cancel common terms) $\"\"$

$\"\"$ (Use a calculator)

$\"\"$ (Divide: $\"\"$ ) $\"\"$

The value of $\"\"$ .