Algebra-1

Question Analysis
This question tests the understanding of the identity property of the floor function, which states that for any integer .

Key Concept Explanation
The floor function, , returns the greatest integer less than or equal to . The identity property allows us to shift the argument of the floor function by an integer and adjust the result accordingly.

Step-by-step Solution
1. Given:
2. Apply the identity property:
3. Substitute the given value:

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