[Avodah] Mitzvot and sins cancel each other, or not

[David Riceman]

Shayna Livia Korb wrote:
> Do you mean in the gemara in Rosh Hashana? (16b - 4 things overturn a 
> decree - tzedaka, tzeaka, shinui shem, shinui maaseh)
This is hardly a clear source.  See H. Tshuva 2:4.

David Riceman