How should the seven guiding principles be combined when an organization is making a decision?

The seven guiding principles of ITIL 4 are not meant to be applied equally or rigidly in every situation. Rather, they are intended to provide guidance and encourage decision making and continual improvement at all levels. Therefore, when an organization is making a decision, it should review each guiding principle to decide how relevant it is to the specific decision, and use the ones that are most appropriate and helpful. For example, some decisions may require more collaboration and visibility than others, or some decisions may benefit from more iteration and feedback than others. The guiding principles are not rules or prescriptions, but rather suggestions and recommendations that can help the organization achieve its objectives and deliver value to its stakeholders. References:

The 7 Guiding Principles of ITIL 4 - IFS Blog1

The 7 ITIL 4 Guiding Principles: Explained in Detail2

The Seven ITIL 4 Guiding Principles & Business Value - Belgium3