7
Answer: ASet 8: Linear Inequalities (Advanced)
Explanation
Solve:
A.
✓ Correct
B.
C.
D.
Detailed Explanation
Choice A is correct. Choice A is the correct answer. Clear fractions with LCD = 12. 1. Multiply by 12: 2. Distribute: 3. Combine: 4. Add 13: 5. Divide by 2: Strategic Tip: Don't forget to distribute the negative sign to the second term: . Choice B is incorrect because it reverses the inequality. Choice C is incorrect because it solves incorrectly. Choice D is incorrect because it solves incorrectly.
Key Steps:
•
The correct answer is
Why others are wrong:
B: Choice B is incorrect and may result from a calculation error.
C: Choice C is incorrect and may result from a calculation error.
D: Choice D is incorrect and may result from a calculation error.
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