3
Answer: DSet 11: Linear Equations
Explanation
Solve:
A.
9
B.
3
C.
6
D.✓ Correct
5
Detailed Explanation
Choice D is correct. Choice A is the correct answer. 1. Distribute: 2. Subtract 2 x: 3. Subtract 4: 4. Divide by 2: 5. Verify: and ✓ Choice D is incorrect because it results from an error in the solution process. Choice C is incorrect because it results from an error in the solution process. Choice D is incorrect because it results from an error in the solution process.
Key Steps:
•
The correct answer is 5
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.
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