First off please recognize that facebook desires individuals to develop just 1 account per person so You can't combine 2 facebook accounts yet if you are very keen to obtain your both the accounts with each other below technique may help you.
How to Merge Facebook Accounts
1. Adjustment the name of account and ensure that your both the accounts have same names.
2. Now transform both the profile in to web page
3. Now merge both the page.
4. Your all the buddies in both the accounts will sign up with joined web page.
That's it. Facebook does not permit to transform it back to the account as of now so appreciate the advantages of the page and many thanks me later.
