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.
0.669*A - 2*0.940*B = -5.44 and 0.743*A - 2*0.342*B = 0.266
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random