Question 7 Answer & Explanation - SAT Algebra

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algebra

Solve: $1.5x + 3 = 9$

Correct Answer: D

Choice Ahoice D is the correct answer.

Subtract 3: $1.5x = 6$
Divide by 1.5: $x = 4$
Verify: $1.5(4) + 3 = 6 + 3 = 9$ ✓

Choice Ahoice C is incorrect because calculation error.

Choice Ahoice B is incorrect because calculation error.

Choice Ahoice D is incorrect because calculation error.

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Linear Functions Set 21

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