I'm writing a book containing problems in some topics of mathematics. I've done writing the problem and the solution using enumerate environment. But now I want to link the solution to the problem using hyperref. At first I change them manually, but it seems like there are too many of them.
Some solution here https://tex.stackexchange.com/a/45428. Is there a way so that I don't have to start over? 
\documentclass, relevant packages, and\begin{document}/\end{document}commands) that reproduces your issue. – Troy Dec 30 '17 at 11:22