I don't really know how that would work? Wouldn't you need to share your ADE accounts too?
In any case in view of the Moderator Notice above I won't discuss that any further but on a related note I am a member of 4 different libraries - my local library and the library of my nearby capital city (both of which I am eligible to join because of where I live and work) and 2 libraries that I joined online.
Although I can now borrow up to 26 books at a time
(which I can't imagine ever doing!) the main benefit is that I have access to different books at 3 of the libraries (2 libraries share the same collection.) Also for the popular books (which are in all libraries) I have access to 3 different waiting lists. Sometimes a book with a long waiting list at one library will be available at another.
Have you investigated what other libraries you may be able to join?