Give the equations of two lines passing through $(2, \,14)$. How many more such lines are there, and why ?
Find four different solutions of the equation $x + 2y = 6.$
Check the solutions of the equation $x -2y = 4$ and which are not : $(1,\,1)$
Draw the graph of $x + y = 7.$
Draw the graph and linear equations in two variables : $x + y = 4$