What is the formula for balancing skills of redox reaction?

The balancing skills of redox reaction include balancing according to the characteristics of redox (mainly electron conservation) and balancing according to the law of mass conservation (general method). There are two formulas: increasing oxygen and decreasing oxygen, saying that drugs are opposite. Oxygen-increasing and oxygen-decreasing refer to the oxidation reaction when the valence increases and the reduction reaction when the valence decreases. Extended data Redox reaction balancing skills include balancing according to the characteristics of redox (mainly electron conservation) and balancing according to the law of mass conservation (general method). There are two formulas: increasing oxygen and decreasing oxygen, saying that drugs are opposite. Oxygen-increasing and oxygen-decreasing refer to the oxidation reaction when the valence increases and the reduction reaction when the valence decreases.