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.
plot 5x-3y ≥ -7; x-2y ≥ 3; 3x+y ≥ 9 ; x+5y ≤ 7
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random