Life is not a ledger. Your sins can't be paid off through good deeds. Your good deeds are not cancelled by your sins. Your sins and your good deeds live alongside one another. They coexist in superposition.

You (and I) can (and should) atone for our misdeeds. We can (and should) apologize for them to the people we've wronged. We should do those things, not because they will erase our misdeeds, but because the only thing worse than being really wrong is not learning to be better.