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Question

Solve the following simultaneous equations by substitution method.
2x+3y=4;x5y=11

A
x=1,y=2
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B
x=1,y=2
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C
x=1,y=2
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D
x=1,y=2
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Solution

The correct option is B x=1,y=2
2x+3y=4..........(1)
x5y=11
x=11+5y .............(2)
Substituting eq. (2) in eq. (1), we get,
2(11+5y)+3y=4
22+10y+3y=4
22+4=13y
y=2613

y=2
Substituting y=2 in (1) we get,
x=1

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