Solve 2x + 3y = 12 and x − y = 1.
A(4, 3)
B(1, 0)
C(3, 2)
D(2, 3)
Answer & Solution
Correct answer: C. (3, 2)
From the second: x = y + 1. Sub: 2(y + 1) + 3y = 12 ⇒ 5y = 10 ⇒ y = 2, then x = 3.
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