Draw the graph of the equation x + 2y - 3 = 0.
From your graph, find the value of y when (i) x = 5 (ii) x = - 5.
Draw the graph of the equation, 2x - 3y = 5.
From your graph, find (i) the value of y when x = 4 and (ii) the value of x when y = 3.