# SAT Math Multiple Choice Question 617: Answer and Explanation

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**Question: 617**

**2.** 3*x*+ 4*y* = 18

Which of the following ordered pairs (*x*, *y*) is a solution of the system of equations above?

- A. (2, 3)
- B. (3, 2.25)
- C. (4, 1.5)
- D. (4, 6)

**Correct Answer:** A

**Explanation:**

**A**

**Algebra (linear systems) EASY**

To determine which ordered pair is a solution to the system, just "plug in" the values for *x* and *y* and choose the one that satisfies both equations. Notice that *x* = 2 and

*y* = 3 is a solution because 3(2) + 4(3) = 18, and .