Problem:
Find all real solutions to $3^{-15 x-24}3^{x-4} = 3^{-4 x-23}$
Answer:
$\left\{\left\{x\to -\frac{1}{2}\right\}\right\}$
{'source': 'AMPS', 'file': 'amps/mathematica/algebra/exponential_equations/4112.txt'}