Question 7 Answer & Explanation - SAT Algebra

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algebra

Solve: $2(x + 5) = x + 12$

Correct Answer: D

Choice Dhoice C is the correct answer.

Distribute: $2x + 10 = x + 12$
Subtract x: $x + 10 = 12$
Subtract 10: $x = 2$
Verify: $2(7) = 14$ and $2 + 12 = 14$ ✓

Choice Dhoice A is incorrect because calculation error.

Choice Dhoice D is incorrect because calculation error.

Choice Dhoice C is incorrect because calculation error.

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Linear Functions Set 20

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