Algebra-1

Question Analysis
This question tests the student's ability to solve a one-step equation by subtracting a constant from both sides of the equation.

Key Concept Explanation
The key concept here is the use of inverse operations. To isolate , we need to subtract 9 from both sides of the equation.

Step-by-step Solution
1. Start with the equation:
2. Subtract 9 from both sides:

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