To add or remove a social media account from a team, you will first of all need to navigate to the "team" page using the menu in the top left and selecting "teams".
Select the team you wish to edit the accounts for and click the "Edit" button next to it.
Once in the teams edit page, scroll down to "Social Media Accounts".
To add an account, begin searching for the account or use the "show all" button and find the account in the drop down list. Once you have found the account you wish to add, click "add" next to the record.
This will then add them to the team.
To remove an account, find the account in the list of accounts already part of the team and then click remove.
When prompted, click "delete" to remove the account.