allerySolve 4x + 3y = 11 and 3x − 4y = 2.
A(3, 1)
B(2, 1)
C(1, 2)
D(2, 3)
Answer & Solution
Correct answer: B. (2, 1)
Multiply eq1 by 4 and eq2 by 3: 16x + 12y = 44 and 9x − 12y = 6. Add: 25x = 50
⇒ x = 2. Sub: 8 + 3y = 11 ⇒ y = 1.
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