Give the geometric representations of $y = 3$ as an equation
$(i)$ in one variable
$(ii)$ in two variables
Express the following linear equations in the form $ax + by + c = 0$ and indicate the values of $a$, $b$ and $c$ in each case : $5=2 x$
Check the solutions of the equation $x -2y = 4$ and which are not : $(1,\,1)$
Write four solutions for equations : $x=4 y$
Express the following linear equations in the form $ax + by + c = 0$ and indicate the values of $a$, $b$ and $c$ in each case : $2 x+3 y=9.3 \overline{5}$