tim x 5/6 =4x5/12

\(x + \frac{5}{6} = 4.\frac{5}{{12}}\)

\(x + \frac{5}{6} = \frac{5}{3}\)

\(x = \frac{5}{3} - \frac{5}{6}\)

\(x = \frac{5}{6}\)

Vậy \(x = \frac{5}{6}\).