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.
find x + a + b + L + R for x=1, a=2, b=3, L=4, R=5
find x + a + b + L + R for x=1, a=2, b=3, L=4, R=5
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random