The equation is .
Solve the equation.
\ (Original equation)
Equality for exponential functions property: if and only if
.
(Add
to each side)
(Apply additive inverse property:
)
(Divide each side by
)
(Simplify)
Check solution for -values.
(Original equation)
(Substitute
)
(Evaluate powers)
(Subtract:
)
The value is .
The value of is
.