Question 4 Answer & Explanation - SAT Algebra

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algebra

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

Correct Answer: D

Choice Ahoice D is the correct answer.

Divide by 3: $2x - 4 = 6$
Add 4: $2x = 10$
Divide by 2: $x = 5$
Verify: $3(2(5) - 4) = 3(6) = 18$ ✓

Choice Ahoice C is incorrect because calculation error.

Choice Ahoice D is incorrect because calculation error.

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