7
algebraSolve:
A
6
B
2
C
Infinite Solutions
D
No Solution
Correct Answer: C
Choice Dhoice A is the correct answer.
- Distribute:
- Analyze: Identity.
- Conclusion: Infinite Solutions.
Choice Dhoice D is incorrect because calculation error.
Choice Dhoice C is incorrect because calculation error.
Choice Dhoice C is incorrect because calculation error.