See do not delete these brainly account.u are asking the question that too in brainly game .but it is not a just a game it is knowing knowledge from the people who are intelligent. It is also not addictive application. And u can also get any answer from this app. Ok it is your wish to delete it or continue the account we should go upto three bars and go to your profile And delete it or change the Gmail account.but once please comment for this answer
Click on the edit profile and then on preference and at last there will be a line that i want to del my account . click on that.