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.
UPGRADE TO PRO
APPS
TOUR
0.1*(x-65) + 0.5*(x-117) for 125<x<150
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random