Question 5 Answer & Explanation - SAT Algebra

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algebra

Solve: $4(x + 5) - 10 = 30$

Correct Answer: D

Choice Ahoice D is the correct answer.

Add 10: $4(x + 5) = 40$
Divide by 4: $x + 5 = 10$
Subtract 5: $x = 5$
Verify: $4(5 + 5) - 10 = 40 - 10 = 30$ ✓

Choice Ahoice C is incorrect because calculation error.

Choice Ahoice D is incorrect because calculation error.

Choice Ahoice C is incorrect because calculation error.

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