Both expressions are used interchangeably.
"Comment ça va ?" means: "How are you?", "How is it going?"
"Comment vas-tu ?" means: "How are you doing?"
"Comment" = "How", "ça" = "it", "tu" = "you", "va" and "vas" are forms of the verb "aller" (to go)
Et toi, comment vas-tu? - And you, how are you?
"Comment ça va?" is how you say "How have you been?" in French
Comment allez-vous aujourd-hui? in French means "How are you today?" in English.
"how do you do today?"
what do u mean what is it its an airport in Roanoke va
Comment ça va ? : how are you?
Elle va comment ? : How is she doing ?
Comment ça va / comment vas-tu ?Comment ça va?
Comment ça va was created in 1983.
Ca VA or comment ca VA comment allez-vous?
Comment ça va? in French means "How are you?" in English.
"Comment ça va ? comment allez-vous ? comment vous portez-vous ? comment va la santé ?"
formal (or plural): comment allez-vous ? informal: comment vas-tu? comment ça VA ? comment ça VA ( This is most used )
Comment êtes-vous ? "Comment ca va?" or just "Ca va?" (informal) "Comment allez vous?" (formal)
comment ça VA? or comment ça VA les filles?
'comment ça va' is the French way of asking 'how are you'. 'comment allez-vous' means the same but is less familiar.
'comment ça va' is a common form for 'how are you' or 'how do you do' in French. It is widely used and regarded as rather informal but appropriate to most situations.