Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
solve (1+x)8.5 = 8.5 + 0.1111*8.5
solve (1+x)8.5 = 8.5 + 0.1111*8.5
Natural Language
Math Input
Extended Keyboard