Question 4 Answer & Explanation - SAT Algebra

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algebra

If $9x - 15 = 6x + 3$ , what is the value of $x$ ?

1.2

Correct Answer: D

Choice Ahoice C is the correct answer.

Subtract 6x: $3x - 15 = 3$
Add 15: $3x = 18$
Divide by 3: $x = 6$
Verify: $9(6) - 15 = 39$ and $6(6) + 3 = 39$ ✓

Choice Ahoice D is incorrect because calculation error.

Choice Ahoice C is incorrect because calculation error.

Choice Ahoice D is incorrect because calculation error.

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Linear Functions Set 17

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