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.
Solve[{x-y+z==-1,3x+2y-z==5,2x+y-3z==8},{x,y,z}]
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
