9
Answer: DSet 7: Linear Equations (Advanced)
Explanation
Solve:
A.
3
B.
12
C.
42
D.✓ Correct
18
Detailed Explanation
Choice D is correct. Choice Ahoice D is the correct answer. 1. Subtract 2: 2. Multiply by 6: 3. Verify: ✓ Choice Ahoice C is incorrect because it results from an error in the solution process. Choice Ahoice C is incorrect because it results from an error in the solution process. Choice Ahoice D is incorrect because it results from an error in the solution process.
Key Steps:
•
The correct answer is 18
Why others are wrong:
A: Choice A is incorrect and may result from a calculation error.
B: Choice B is incorrect and may result from a calculation error.
C: Choice C is incorrect and may result from a calculation error.
🎯 Keep Practicing!
Master all sections for your best SAT score