SAT Math Multiple Choice Practice Question 517: Answer and Explanation

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Question: 517

16. If 3 more than x is 2 more than y, what is x in terms of y?

A. y – 5
B. y – 1
C. y + 1
D. y + 5
E. y + 6

Correct Answer: B

Explanation:

B Whenever you see variables in the answer choices, you should plug in. Start by plugging in a number for x. If x = 10, then 3 more than x is 13. Now you know that 13 is 2 more than y, so y = 11. When you plug in 11 for y in all of the answers, B is the only one that gives you the answer x = 10, your target answer.

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