If (2,2) lies on $4 x + 5 y = k$ , the value of $k$ = ______.

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Solution

The correct option is D 18
If the point (2,2) lies on the given linear equation, then it must satisfy the equation.

Putting the value of x and y in the equation we get:

$\Rightarrow 4 (2) + 5 (2) = k$

$\Rightarrow k = 18$

Thus, the value of k is 18.

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