7 +sqrt((0 - x)^2 + (3 - y)^2)/2 = 30 + sqrt((28 - x)^2 + (4 - y)^2)/7

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.