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 0.178*x+0.546*y=393 and 0.638*x+0.199*y=630 for x and y
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random