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.
3x^3+4y^3 = 7, 4x^4+3y^4 = 16
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random