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.
6x + 3y + 6z = -5, 2x + y + 5z = -1, -9x - 6y - 1z = -3
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random