Question 7 Answer & Explanation - SAT Algebra

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algebra

Solve: $10x - 20 = 5x + 5$

Correct Answer: B

Choice Bhoice C is the correct answer.

Subtract 5x: $5x - 20 = 5$
Add 20: $5x = 25$
Divide by 5: $x = 5$
Verify: $10(5) - 20 = 30$ and $5(5) + 5 = 30$ ✓

Choice Bhoice A is incorrect because calculation error.

Choice Bhoice C is incorrect because calculation error.

Choice Bhoice D is incorrect because calculation error.

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Linear Functions Set 17

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