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[{ c1-c2+c3==0, -c1+c2-c3==0, a1-c1*R1-c2*R2==0, a2-c3*R3-c2*R2==0, a1-c1*R1+c3*R3-a2==0 }]
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random