If the point (3, 4) lies on the graph of the equation 3y = ax + 7, find the value of a.

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#### Solution

Putting x = 3 and y = 4 in the given equation,

3y = ax + 7

3 (4) = a (3) + 7

5 = 3a

`a = 5/3`

Concept: Graph of a Linear Equation in Two Variables

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