$\"\"$

\

The equation is $\"\"$ .

\

(Subtract 4 from each side)

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

(Divide each side by 3)

\

$\"\"$

\

$\"\"$

\

(Take logarithm each side)

\

$\"\"$ $\"\"$

\

(Apply logarithmic formula: $\"\"$ )

\

$\"\"$

\

(Apply logarithmic formula: $\"\"$ )

\

$\"\"$

\

(Substitute values $\"\"$ )

\

$\"\"$

\

$\"\"$

\

(Divide each side by negative 3)

\

$\"\"$

\

$\"\"$

\

$\"\"$ $\"\"$

\

The solution is $\"\"$ .