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 3+r+2s=0, y=1-3r+4s, z=4-s for y,z
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
