Set 9: Linear Equations (Intermediate)

Explanation

Answer: A

If $2(x + 3) = x + 8$ , what is the value of $x$ ?

✓ Correct

Detailed Explanation

Choice A is correct. Choice Ahoice C is the correct answer. 1. Distribute: $2x + 6 = x + 8$ 2. Subtract x: $x + 6 = 8$ 3. Subtract 6: $x = 2$ 4. Verify: $2(5) = 10$ and $2+ 8 = 10$ ✓ Choice Ahoice D 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. Choice Ahoice C is incorrect because it results from an error in the solution process.

Key Steps:

•

The correct answer is 2

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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