If the point (3, 5) lies on the graph of the equation 3y = ax + 9, find the value of a.

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Solution

The correct option is B
2

Putting x = 3, y = 5 in the given equation,
3 x 5 = a x 3 + 9
$\Rightarrow$ 3a + 9 = 15
$\Rightarrow$ a = 2

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