PSAT Math Multiple-Choice Question 776: Answer and Explanation
Question: 776
Which of the following expressions is equivalent to 7 - 2(y – 1)?
- A. 9 - 2y
- B. 5 - 2y
- C. 6 - 2y
- D. 4 + 2y
Correct Answer: A
Explanation:
(A) First, distribute the -2:
7 - 2(y - 1) = 7 - 2y + 2
Next, combine like terms:
7 - 2y + 2 = 9 - 2y
The answer is choice (A).
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