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Question
Find the value of k, if x = 2, y = 1 is a solution of the equation 2x + 3y = k.
Solution
Putting x = 2 and y = 1 in the given equation,
2x + 3y = k
⇒ 2(2) + 3(1) = k
⇒ 4 + 3 = k
⇒ k = 7
Therefore, the value of k is 7.
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