A pair of linear equations which has a unique solution x = 2, y = -3 is
x + y = -1 , 2x - 3y = -5
2x + 5y = -11, 4x + 10y = -22
2x - y = 1, 3x + 2y = 0
x - 4y - 14 = 0, 5x - y - 13 = 0
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X2,ye,xy,y1,23,xy,3y5,2y5,3y4,X2,xy,yx,
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