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 1800/y = 2000/x + 1/2, 2000/y = 1000/x + 3
solve 1800/y = 2000/x + 1/2, 2000/y = 1000/x + 3
Natural Language
Math Input
Extended Keyboard