Write each of the following equations in the form \(ax + by + c = 0\) and indicate the values of \(a\), \(b\), and \(c\) in each case: (i) \(2x + 3y = 4.37\) (ii) \(x - 4 = \sqrt{3}y\) (iii) \(4 = 5x - 3y\) (iv) \(2x = y\)