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, Addition Property of Equality, and Division Property of Equality.

Key Concept Explanation:
1. Distributive Property: Expands to .  
2. Addition Property of Equality: Adds 10 to both sides to isolate .  
3. Division Property of Equality: Divides both sides by 5 to solve for .  

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