The exponential equation is .
Consider two functions as and
.
Graph :
\Draw a coordinate plane.
\Graph the functions and
in the same coordinate axis.
Observe the above graph :
\The two graphs intersects at a point .
Thus, the solution is .
Algebraic conformation :
\The equation is .
Consider .
Rewrite the equation as below :
\Apply formula: .
Apply change-of-base formula : .
.
Thus, the solutions is .
Graph of the equation is : \ \
The solution is .