\[x - 2\frac{8}{15} = 3\frac{7}{12}\]
\[x = 3\frac{7^{\backslash 5}}{12} + 2\frac{8^{\backslash 4}}{15}\]
\[x = 5\frac{35 + 62}{60}\]
\[x = 5\frac{67}{60}\]
\[x = 6\frac{7}{60}\]
\[Ответ:\ x = 6\frac{7}{60}.\]