Algebra-1

Question Analysis
This question tests the student's ability to solve a literal equation for a specific variable. The given equation is the perimeter formula for a rectangle, and the goal is to isolate .

Key Concept Explanation
The key concept here is the isolation of variables using properties of equality. The student needs to manipulate the equation by subtracting and dividing to isolate .

Step-by-step Solution
1. Start with the given equation:
2. Subtract from both sides:

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