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/3+31/3&&-5x/3+31/3&&-5x/3-31/3,x=-7..7,y=-7..7)
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random