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 a x+(a+n) y+(a+2n)=0 and m x+(m+n) y+(m+2n)=0
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random