Set 4: Linear Equations (Intermediate)

Explanation

Answer: D

If $3(2x - 4) = 18$ , what is the value of $x$ ?

✓ Correct

Detailed Explanation

Choice D is correct. Choice Ahoice D is the correct answer. 1. Divide by 3: $2x - 4 = 6$ 2. Add 4: $2x = 10$ 3. Divide by 2: $x = 5$ 4. Verify: $3(2(5) - 4) = 3(6) = 18$ ✓ Choice Ahoice C 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 D is incorrect because it results from an error in the solution process.

Key Steps:

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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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