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.
2x1+x2<=4,x1+2x2<=6,x1>=0,x2>=0
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
