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.
t/x = t/z+2 && 100/x=140/z+2
t/x = t/z+2 && 100/x=140/z+2
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random