Write the following as an equation in two variables: $8 y - 15 = 0$.

Express the following linear equation in the form $ax + by + c = 0$ and indicate the values of $a, b$ and $c$ in each case:
$3x = 2y + 1.\overline{5}$

Write whether the following statements are True or False? Justify your answers.
$(i)$ $ax + by + c = 0$,where $a, b$ and $c$ are real numbers,is a linear equation in two variables.
$(ii)$ $A$ linear equation $2x + 3y = 5$ has a unique solution.
$(iii)$ All the points $(2, 0), (-3, 0), (4, 2)$ and $(0, 5)$ lie on the $x$-axis.

Write the following as an equation in two variables:
$2x = 9$

Draw the graph of the linear equation whose solutions are represented by the points having the sum of the coordinates as $10$ units.

Find the solution of the linear equation $x + 2y = 8$ which represents a point on:
$(i)$ $x$-axis
$(ii)$ $y$-axis