Question 6 Answer & Explanation - SAT Algebra

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algebra

If $5x + 4 = 2x + 19$ , what is the value of $x$ ?

7.66

Correct Answer: A

Choice Ahoice D is the correct answer.

Subtract 2x: $3x + 4 = 19$
Subtract 4: $3x = 15$
Divide by 3: $x = 5$
Verify: $5(5) + 4 = 29$ and $2(5) + 19 = 29$ ✓

Choice Ahoice C is incorrect because calculation error.

Choice Ahoice B is incorrect because calculation error.

Choice Ahoice C is incorrect because calculation error.

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