Express the following linear equation in the form $a x+b y+c=0$ and indicate the values of $a, b$ and $c$ in each case

$6 x-5 y=4.2 \overline{7}$

Express the equation $2 x+3 y=12$ in the standard form and find the value of $a+b+c$

If $(5,2)$ is one of the solutions of equation $x+3 y=k,$ then $k=\ldots \ldots \ldots$

The following observed values of $x$ and $y$ are thought to satisfy a linear equation. Write the linear equation:

$\begin{array}{|c|c|c|} \hline x & 6 & -6 \\ \hline y & -2 & 6 \\ \hline \end{array}$

Draw the graph using the values of $x, y$ as given in the above table.

At what points the graph of the linear equation

$(i)$ cuts the $x$ – axis and $(ii)$ cuts the $y$ – axis

If $(2,0)$ is a solution of the linear equation $2 x+3 y=k,$ then the value of $k$ is