Algebra-1

Question Analysis
This question tests the student's ability to solve an inequality by isolating the variable and correctly flipping the inequality sign when dividing by a negative number.

Key Concept Explanation
When solving inequalities, if you multiply or divide both sides by a negative number, you must flip the inequality sign. This ensures that the direction of the inequality remains correct.

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