If 2x + 3y = 13 and x + y = 5, what is the value of x?
Correct answer: B. 2
- A. 1
- B. 2
- C. 3
- D. 4
Explanation
Subtracting twice the second equation from the first gives y = 3. Substituting y = 3 into x + y = 5 gives x = 2.
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