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Question 10 A pair of linear equations which has a unique solution x = 2 and y = - 3 is (A) x + y = 1 and 2x – 3y = -5 (B) 2x + 5y = - 11 and 4x + 10y = - 22 (C) 2x – y = 1 and 3x + 2y = 0 (D) x – 4y + 14 = 0 and 5x – y – 13 = 0

Answer» Question 10
A pair of linear equations which has a unique solution x = 2 and y = - 3 is
(A) x + y = 1 and 2x – 3y = -5
(B) 2x + 5y = - 11 and 4x + 10y = - 22
(C) 2x – y = 1 and 3x + 2y = 0
(D) x – 4y + 14 = 0 and 5x – y – 13 = 0


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