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 por eliminação gaussiana: 4x - 3y + 5z = 31 , -x + 2y + 4z = 20 , . (Resp: )
solve por eliminação gaussiana: 4x - 3y + 5z = 31 , -x + 2y + 4z = 20 , . (Resp: )
Natural Language
Math Input
Extended Keyboard