6
Answer: ASet 15: Linear Inequalities (Intermediate)
Explanation
Solve:
A.
✓ Correct
B.
C.
D.
Detailed Explanation
Choice A is correct. Choice A is the correct answer. Use the LCD to clear fractions. 1. LCD of 3 and 2 is 6: Multiply all terms by 6. 2. Multiply: 3. Simplify: 4. Subtract 3 x: 5. Subtract 30: Strategic Tip: Clearing fractions makes the algebra much simpler and less prone to arithmetic errors. Choice B is incorrect because it reverses the inequality direction. Choice C is incorrect because it might result from not multiplying the constants by 6. Choice D is incorrect because it combines wrong value and wrong direction.
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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