Geometry

Question Analysis:
This question involves solving the equation and identifying all the properties used in the process.
The main focus is on understanding the Distributive Property, Subtraction Property of Equality, and Division Property of Equality.

Key Concept Explanation:
1. Distributive Property: Expands to .  
2. Subtraction Property of Equality: Subtracts 12 from both sides to isolate .  
3. Division Property of Equality: Divides both sides by 3 to solve for .  

Step-by-Step Solution:
1. Distributive Property:  
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