A pair of linear equations which has a unique solution x = 2, y = -3 is (a) x + y = -1 ; 2x – 3y = -5 (b) 2x + 5y = -11 ; 4x + 10y = -22(c) 2x – y = 1 ; 3x + 2y = 0 (d) x – 4y – 14 = 0 ;5x – y – 13 = 0

A pair of linear equations which has a unique solution x = 2, y = -3 is
(a) x + y = -1 ; 2x – 3y = -5
(b) 2x + 5y = -11 ; 4x + 10y = -22(c) 2x – y = 1 ; 3x + 2y = 0
(d) x – 4y – 14 = 0 ;5x – y – 13 = 0
by

1 Answer

Answer :

(d) x – 4y – 14 = 0 ;5x – y – 13 = 0
by

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