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.
-x*U*(Y-(R*0.5))+T*80=x*U*G*8/F/J
-x*U*(Y-(R*0.5))+T*80=x*U*G*8/F/J
Natural Language
Math Input
Extended Keyboard