PSAT Math Multiple-Choice Question 327: Answer and Explanation
Question: 327
What is the value of x for the given equations above?
- A. -3
- B. 0
- C. 3
- D. 5
Correct Answer: A
Explanation:
A
Difficulty: Easy
Category: Substitution
Getting to the Answer: Solve the second equation for y in terms of x (which yields y = -x), then substitute into the first equation and solve:
Choice (A) is correct.
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