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.
5=4a-2b+c, 5=4a+2b+c, 2=a+b+c
5=4a-2b+c, 5=4a+2b+c, 2=a+b+c
Natural Language
Math Input
Extended Keyboard
