\"\"

\

The equation is \"\".

\

\"\"                       (Rewrite \"\")

\

\"\"                       (Apply Formula: \"\")

\

Apply Property of equality for exponential functions: \"\". \ \

\

\"\"

\

\"\"           (Subtract 4 from each side)

\

\"\"

\

\"\"

\

CHECK:-

\

To check the solution, substitute \"\" in \"\".

\

\"\"

\

\"\"                    (Rewrite \"\")

\

\"\"                    (Apply Formula: \"\")

\

\"\"

\

The solution is true.\"\"

\

The solution is \"\".