which of the following pair of linear equation are coineident * (a) x+y=5
2x+2y=10
(b) 2x+y=6
4x-2y=0
(c) x-y=1
x+y=5/4
(d) x-y=8
3x-3y=16
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Answer:
(a) is the correct option
2(x+y)=6
x+y=6/2=3
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a) correct because it satisfied the condition
a1/a2=b1/b2=c1/c2
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