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

If the point (3, 4) lies on the graph, then it satisfies the equation.

\(\because \) 3y - ax - 7 = 0
\(\Rightarrow \) 3(4) - a(3) - 7 = 0
\(\Rightarrow \) 12 - 3a = 7
\(\Rightarrow \) 12 - 7 = 3a
\(\Rightarrow \) 5 = 3a
\(\Rightarrow \) a = \(\frac{5}{3} \)