Problem:
Find all real solutions to $\frac{\log (x+5)}{\log (6)}+\frac{\log (20 x-8)}{\log (6)}=\frac{\log (-20 x-20)}{\log (6)}$
Answer:
$\left\{\left\{x\to \frac{1}{5} \left(-14-\sqrt{221}\right)\right\},\left\{x\to \frac{1}{5} \left(-14+\sqrt{221}\right)\right\}\right\}$
{'source': 'AMPS', 'file': 'amps/mathematica/algebra/log_equations/37686.txt'}