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Question

Solve the equations using elimination method:
x+y=2 and 2xy=7

A
(3,1)
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B
(3,1)
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C
(3,1)
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D
(3,1)
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Solution

The correct option is B (3,1)
x+y=2 ----- (1)
2xy=7 ----- (2)
___________________
3x=9
x=93=3
Put the value of x in equation (1), we get
x+y=2
3+y=2
y=23
y=1
Therefore the solution is (3,1)

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