If x = 3, y = 2 is a solution of the equation 5x – 7y = k, then the – InterviewSolution

1.

If x = 3, y = 2 is a solution of the equation 5x – 7y = k, then the value of ‘k’ is A) 1 B) -11 C) 29 D) 31

Answer»

Correct option is (A) 1

\(\because\) x = 3, y = 2 is a solution of the equation 5x – 7y = k.

\(\therefore\) \(5\times3-7\times2=k\)

\(\Rightarrow\) k = 15 - 14 = 1

Correct option is A) 1

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