Question 878284
see the picture for the solution to your problem:
<img src = "http://theo.x10hosting.com/2014/may2903.jpg" alt="$$$" </a>
i've confirmed the solution is correct.
you can do the same by just replacing 5x with an arbitrary value for it, such as 50 and solve using your calculator from the original equation and the final equation.
for a real valued solution, 5x must be a positive number.