The pair of coincident lines in the following
A x-2y=0 and 3x+4y=20
B 2x+3y=9 and 4x+6y=18
C x+2y=4 and 2x+4y=12
D x+ y=8 and x-y=4
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Answer:
B is answer
Step-by-step explanation:
a1/a2=b1/b2=c1/c2
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