Are Faith And Repentance Two Sides Of The Same Coin?

In the debate about whether water baptism is necessary to salvation, many quote passages like John 3:16 that mention faith as being necessary without mentioning baptism. They say that proves one is saved at the point of faith before and without water baptism. But if that argument were true, wouldn’t that mean repenting of sins is not necessary to salvation, as repentance is not mentioned in John 3:16 either? And what about a number of passages like Acts 11:18 that teach repentance as being necessary to salvation without mentioning faith? Wouldn’t they by the same logic prove faith is not necessary to salvation?

One Baptist answer to this dilemma is they say “faith and repentance are two sides of the same coin.” If that is true, why then are the two listed separately many times, such as in Heb 6:1 "not laying again the foundation of repentance from dead works, and of faith toward God"? And if faith and repentance are two sides of the same coin, please consider Acts 3:19a (“Repent ye therefore, and be converted, that your sins may be blotted out”). That view would mean one’s sins are blotted out at the point of repentance/faith without even being converted, but the verse very clearly makes conversion after repentance necessary to one’s sins being blotted out; am I right?

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