Find the value of $k$ , if $x = 2, y = 1$ is a solution of the equation $2 x - 3 y = k .$

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Solution

The correct option is D 1
Given:
$x = 2, y = 1$ is the solution of the given equation $2 x - 3 y = k$ .

Putting the value of x and y in the equation $2 x - 3 y = k$ , we get
$(2 \times 2) - (3 \times 1) = k$
$\Rightarrow k = 4 - 3$
$\Rightarrow k = 1$

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