A pair of linear equations in two variables can be represented by two straight lines. In case of which pair of equations do the straight lines, coincide?(A) 2x + 3y – 9 = 0 and 4x + 6y – 18 = 0 (B) 5x – 4y + 8 = 0 and 7x + 6y – 9 = 0 (C) 2x – y + 9 = 0 and 6x – 3y + 10 = 0 (D) 2x – 3y = 7 and 3x + 2y = 5

A pair of linear equations in two variables can be represented by two

1.	A pair of linear equations in two variables can be represented by two straight lines. In case of which pair of equations do the straight lines, coincide?(A) 2x + 3y – 9 = 0 and 4x + 6y – 18 = 0 (B) 5x – 4y + 8 = 0 and 7x + 6y – 9 = 0 (C) 2x – y + 9 = 0 and 6x – 3y + 10 = 0 (D) 2x – 3y = 7 and 3x + 2y = 5
Answer» (A) 2x + 3y – 9 = 0 and 4x + 6y – 18 = 0

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