You have been mislead with bad advice and now you have two Apple IDs. If you have never acquired any Apple content with your previous ID perhaps you have lost nothing and can abandon the older Apple ID, but if you have bought content in the past with the old ID you must maintain both IDs to have access to the content bought with both IDs.
What you should have been instructed to do was open the App Store app to the Featured pane, swipe to the bottom, tap your old Apple ID and sign out. Then tap again and sign in with the old Apple ID. The App Store app would have recognized your old ID and changed the store presented in the App Store app to the Egyptian store automatically.