Answer: Division property of Inequality.
Step-by-step explanation:
For this case we know that:
- According to the Addition property of Inequality:
If , then
- Based on the Subtraction property of Inequality:
If , then
- Based on the Multiplication property of Inequality:
If , then (If )
- According to the Division property of Inequality:
If , then (If )
Knowing these properties, we can identify the property that justifies the work between Step 3 and Step 4. This is:
"Division property of Inequality"
Because he divided both sides of the inequality by 2: