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.
x + 4y + z = –10,3x – 3y + 6z = –21, x + 2y + 2z = –10
x + 4y + z = –10,3x – 3y + 6z = –21, x + 2y + 2z = –10
Natural Language
Math Input
Extended Keyboard
