Question 5 Answer & Explanation - SAT Algebra

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algebra

Solve: $\frac{x+2}{3} - \frac{x-1}{4} = 2$

Correct Answer: C

Choice Bhoice C is the correct answer.

Multiply by 12 (LCD): $4(x + 2) - 3(x - 1) = 24$
Distribute: $4x + 8 - 3x + 3 = 24$
Combine: $x + 11 = 24$
Subtract 11: $x = 13$

Choice Bhoice C is incorrect because sign error on -3(-1).

Choice Bhoice D is incorrect because calculation error.

Choice Bhoice A is incorrect because calculation error.

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