PSAT Math Multiple-Choice Question 480: Answer and Explanation
Question: 480
What value of c is a solution to the equation –3c – 2 + 9 = c – 2 – 3c?
- A. –9
- B. –2
- C. 2
- D. 9
Correct Answer: D
Explanation:
D
The question asks for the value of a variable in an equation. Combine like terms on both sides of the equation to yield –3c + 7 = –2c – 2. Add 3c to both sides to get 7 = c – 2. Then, add 2 to both sides to get 9 = c. The correct answer is (D).
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