3 + j = 0.5 + 2b, 9 + 3j - 5k = 4 + b, 2 - 1.9k = 4 - b

Uh oh! Wolfram|Alpha doesn't run without JavaScript.

Please enable JavaScript. If you don't know how, you can find instructionshere.Once you've done that, refresh this page to start using Wolfram|Alpha.