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Question
Which of the following equations has x = 3, y = - 4 as solution?
Which of the following equations has x = 3, y = - 4 as solution?
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Solution
The correct option is D 3x - y = 13
Putting x = 3, y = -4 in 3x - y = 13 we get,
LHS = 3 (3) - (-4)
= 9 + 4
= 13 = RHS
Hence (3,-4) is the solution of equation 3x - y = 13.
3x - y = 13
Putting x = 3, y = -4 in 3x - y = 13 we get,
LHS = 3 (3) - (-4)
= 9 + 4
= 13 = RHS
Hence (3,-4) is the solution of equation 3x - y = 13.
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