4) Решите уравнение: a) \(x - \frac{5}{6} = \frac{1}{18}\)

a) \(x - \frac{5}{6} = \frac{1}{18}\) \(x = \frac{1}{18} + \frac{5}{6}\) \(x = \frac{1}{18} + \frac{15}{18}\) \(x = \frac{16}{18}\) \(x = \frac{8}{9}\)