Question 3 Answer & Explanation - SAT Algebra

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algebra

Solve: $5x + 2x + 4 = 25$

Correct Answer: B

Choice Dhoice A is the correct answer.

Combine: $7x + 4 = 25$
Subtract 4: $7x = 21$
Divide by 7: $x = 3$
Verify: $15 + 6 + 4 = 25$ ✓

Choice Dhoice D is incorrect because calculation error.

Choice Dhoice B is incorrect because calculation error.

Choice Dhoice C is incorrect because calculation error.

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Linear Functions Set 13

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