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.
( 5 + 7 + | y - 5 | - | y - 7 | ) / 2
( 5 + 7 + | y - 5 | - | y - 7 | ) / 2
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random