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 x mod 3 = 1 and x mod 5 = 1 and x mod 7 = 5 for x
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random