1.108 Решите уравнение:

a) x + 5/18 = 11/36 => x = 11/36 - 10/36 => x = 1/36.
б) 7/12 - x = 5/9 => x = 7/12 - 5/9 => x = 21/36 - 20/36 => x = 1/36.
в) 9/16 * x = 3/8 => x = (3/8) * (16/9) => x = 48/72 => x = 2/3.