How to delete Facebook Account:

 Method First: Temporary Deactivate 

 Step 1: Log on Facebook.com

Step 1: Go to Settings

Step 2: Next Click Security

Step 3: Click Deactivate Account Button

Step 4: Click Confirm

Done ! Your Facebook Account Deactivate


Method Second: Permanent  Delete  

Step 1: Log on Facebook.com


Step 3: Click Delete Account Button

Done ! Your Facebook Account Delete Permanently Soon 

How to delete Twitter Account:


Step 2: Log on Twitter.com

Step 3: Scroll Down

Step 4: Click Deactivate My Account Button

Done ! Your Twitter Account Deactivate 30 day, After 30 day Account Delete Permanently.

How to delete Google Account:


Step 2: Log on Your Google Account

Step 3: Click Data Tools Button
Google

Step 4: Now Account Management Section 

Step 5: You Find Google pluse, Google Account, And Product Delete Option 
Delete Google+ profile and features
Delete account and data
Delete products
Step 6: Click Delete Button

Next few days, Google will attempt to delete your Google profile and the feature and the data that depend on it

Done ! Your Google Account Deleted *

* All Premium android apps Deleted Just You Buying...