solve 81000(1+j/12)^24-1000((1+j/12)^12-1)/(j/12)*(1+j/12)^12-2000((1+j/12)^12-1)/(j/12)=85000-12000-24000

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.