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Question

The solution of linear equations 3x7y+10=0 and y2x3=0 is

A
x=1,y=1
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B
x=1,y=1
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C
x=1,y=1
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D
x=1,y=1
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Solution

The correct option is B x=1,y=1
Let 3x7y+10=0 --- (1)
and y2x3=0 --- (2)

Multiplying equation (2) with 7 we get, 7y14x21=0 ----- equation (3)

Adding equations 1 and 3, we get 11x=11=>x=1

Substituting
x=1 in the equation (2), we get y2(1)3=0=>y=1


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