A pair of linear equations which has a unique solutions x=3 and y= -2 is
A) x+ y = -1 & 2x – 3y=12
B. 2x + 5y +4=0 &4x+10y+8=0
C. 2x – y =1 & 3x+2y =0
D. x - 4y =14 & 5x – y =13
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Answer:
A) x+ y = -1 & 2x – 3y=12
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