Write the number of solutions of the following pair of linear equations:
x+3y−4=0 and 2x+6y−7=0.
Write two solutions of the form x=0, y=1 and x=b, y=0 for each of the following equations:
(i) 5x - 2y = 10 (ii) - 4x + 3y = 12 (iii) 2x + 3y = 24