If the point $(5,2)$ lies on the graph of the equation $3 x+2 y=k,$ then $k=\ldots \ldots \ldots$

If the graph of equation $3 x+a y=7$ passes through the point $(3,-1),$ then the value of $a=\ldots \ldots \ldots$

Write each of the following as an equation in two varlables

$4 x-17=0$

Write whether the following statement is True or False? Justify your answer.

The coordinates of points given in the table :

$\begin{array}{|c|c|c|c|c|c|} \hline x & 0 & 1 & 2 & 3 & 4 \\ \hline y & 2 & 4 & 6 & 8 & 10 \\ \hline \end{array}$

represent some of the solutions of the equation $2 x+2=y$

The Autorikshaw fare in a city is charged $Rs.\, 10$ for the first kilometer and @ $Rs.\, 4$ per $kilometer$ for subsequent distance covered. Write the linear equation to express the above statement. Draw the graph of the linear equation.