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?"
we go (there) to swim
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?" is how you say "How are you doing?" in French.
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 ?"
Comment êtes-vous ? "Comment ca va?" or just "Ca va?" (informal) "Comment allez vous?" (formal)
Comment sa va is already in french. And it means 'how are you' in English. and actually it's spelt comment ça va and if someone say "ça va ?" then it means 'how's everything'
"Comment ça va?" is how you ask "How are you doing?" in French.
"Salut, comment ça va?"