Solve the equation for x. 
Definitions:
Exosystem Level
A term used in ecological systems theory referring to the societal structures and external environments that indirectly influence an individual's development.
Microsystem
The immediate, small-scale environment of individuals where direct interactions take place, such as family and school, influencing development and behavior.
Macrosystem Level
Refers to the broadest environmental context in the ecological systems theory, encompassing societal norms, laws, customs, and resources that affect an individual's life.
Built Environment
The human-made surroundings that provide the setting for human activity, including buildings, roads, and other infrastructure.
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