9

Set 11: Linear Equations (Advanced)

Explanation

Answer: A

Solve: x+x=2xx + x = 2x

A.

Infinite Solutions

✓ Correct
B.

0

C.

2

D.

No Solution

Detailed Explanation

Choice A is correct. Choice Ahoice C is the correct answer. 1. Combine: 2x=2x2x = 2 x 2. Analyze: Identity. 3. Conclusion: Infinite Solutions. Choice Ahoice D 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 B is incorrect because it results from an error in the solution process.

Key Steps:

•

The correct answer is Infinite Solutions

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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