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*(1-y^z)-386.09=0 && x*(1-y^(z-2))-323.16=0 && x*(1-y^(z-4))-253.78=0}, {x, y, z}]
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random