the pair of coincidence lines in the following are
A. x-2y =0 ,3x+4y= 20
B.2x+3y=9, 4x+6y =18
C. x+ 2y =4, 2x +4y =12
D.x+y=8, x-y=4
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Step-by-step explanation:
the pair of given lines are coincidence
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