Set 1: Linear Equations (Advanced)

Explanation

Answer: D

Solve: $7x + 2 = 7x - 2$

Infinite Solutions

No Solution

✓ Correct

Detailed Explanation

Choice D is correct. Choice D is the correct answer. 1. Subtract 7 x: $2= -2$ 2. Analyze: Contradiction. 3. Conclusion: No Solution. Choice D is incorrect because it results from an error in the solution process. Choice A 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.

Key Steps:

•

The correct answer is No Solution

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

📚Reading & Writing→📖Vocabulary→