If the point $(2, 3)$ lies on the graph of the equation $3x + ay = 18$,find the value of $a$.

Write four solutions for the following equation: $2x + 3y = 7$.

State whether the following statement is true or false:
The graph of the equation $3x = 4y$ is a line passing through the origin.

$A$ linear equation in two variables has how many solutions?

The graph of the equation $3x = 10$ is parallel to which axis?

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

$x$	$6$	$-6$
$y$	$-2$	$6$

Draw the graph using the values of $x$ and $y$ as given in the above table.
At what points does the graph of the linear equation:
$(i)$ cut the $x$-axis and
$(ii)$ cut the $y$-axis?