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

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Solution

The point $(3, 4)$ lies on the graph of the equation.
$∴$ Putting $x = 3$ and $y = 4$ in the equation $3 y = a x + 7$ , we get
$3 \times 4 = a \times 3 + 7$
$\Rightarrow 12 = 3 a + 7$
$\Rightarrow 3 a = 12 - 7$
$\Rightarrow a = \frac{5}{3}$

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

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