If $4 x + 5 y = 23$ passes through the point $(2, a)$ , then the value of $a$ is

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Solution

The correct option is C 3
If $4 x + 5 y = 23$ passes through the point $(2, a)$ , the point will satisfy the equation

$4 (2) + 5 a = 23$

$5 a = 23 - 8$

$a = \frac{15}{5}$

$a = 3$

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