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.
\begincases x + 2y - z = 4 }, {2x + y + z = 6 }, {x - y + 2z = 3 \endcases 을 소거법으로 풀어라
\begincases x + 2y - z = 4 }, {2x + y + z = 6 }, {x - y + 2z = 3 \endcases 을 소거법으로 풀어라
Natural Language
Math Input
Extended Keyboard