Question 14 • Algebraic Reasoning
From the second equation, 4x − 2y = 22, divide both sides by 2 to get 2x − y = 11, so y = 2x − 11. Substitute this into the first equation: −x + 3(2x − 11) = 2. Simplifying gives 5x − 33 = 2, so 5x = 35 and x = 7. The correct choice is B, 7.
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