You already know if a question is solved, because there will be a green checkmark by the accepted answer, or the search result will be a different color. 

![checkmark][2]      ![accepted box][1]   

You can also search for questions with accepted answers using the `hasaccepted:yes` term [in the search phrase](http://superuser.com/search?q=hasaccepted%3Ayes).


  [1]: https://i.sstatic.net/zE7ye.png
  [2]: https://i.sstatic.net/3XRjc.png