Question

If (2, 1) is a solution of the linear equation 2x +3ky = 1, then the value of k is:​

Answer 1

Answer:

–1

Step-by-step explanation:

As (2, 1) is a solution, x = 2 and y = 1 must satisfy the given equation.

Putting x = 2 and y = 1 in 2x + 3ky = 1, we get

2(2) + 3k(1) = 1

or, 3k = 1 – 4

So, k = –3/3 = –1

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