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 {{ 1, 2 }, {2, 4 }} x = {{ 3 }, {6 }} and descreva a família de soluções
solve {{ 1, 2 }, {2, 4 }} x = {{ 3 }, {6 }} and descreva a família de soluções
Natural Language
Math Input
Extended Keyboard