Question 8 Answer & Explanation - SAT Algebra

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algebra

If $9x - 8 = 5x + 12$ , what is the value of $x$ ?

Correct Answer: C

Choice Dhoice A is the correct answer.

Subtract 5x: $4x - 8 = 12$
Add 8: $4x = 20$
Divide by 4: $x = 5$
Verify: $45 - 8 = 37$ and $25 + 12 = 37$ ✓

Choice Dhoice C is incorrect because calculation error.

Choice Dhoice D is incorrect because calculation error.

Choice Dhoice B is incorrect because calculation error.

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Linear Functions Set 20

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