Question 1 Answer & Explanation - SAT Algebra

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algebra

Solve for $x$ : $\frac{x}{5} + \frac{x}{2} = 7$

Correct Answer: B

Choice Ahoice C is the correct answer.

LCD: 10
Multiply by 10: $2x + 5x = 70$
Combine: $7x = 70$
Divide by 7: $x = 10$
Verify: $2 + 5 = 7$ ✓

Choice Ahoice C is incorrect because calculation error.

Choice Ahoice D is incorrect because calculation error.

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Linear Functions Set 24

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