YOU SAID:
what's up brother, you doing good?
INTO JAPANESE
元気ですか、元気ですか?
BACK INTO ENGLISH
How are you, how are you?
INTO JAPANESE
お元気ですか、元気ですか?
BACK INTO ENGLISH
How are you?
INTO JAPANESE
お元気でしたか?
BACK INTO ENGLISH
How are you?
That didn't even make that much sense in English.