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 3-2t=-2s, 5+8t=5+s, 7-4t=7-s
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random