SAT Math Multiple Choice Practice Question 497: Answer and Explanation

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Question: 497

17. If 6 – y = 2y – 6, what is the value of y ?

A. 0
B. 2
C. 4
D. 6
E. 12

Correct Answer: C

Explanation:

C To solve for y, begin by adding y to both sides of the equation, which gives you 6 = 3y – 6. Then add 6 to both sides, which gives you 12 = 3y. Now divide both sides by 3, and you find that y = 4. You can also plug in the answer choices for any question that asks you to solve for a variable: 6 – 4 = 2(4) – 6.

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