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.
graph y>-4x-16 and 4y<26-x and y+2x<10 and 2y-x>-5
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random