Реши уравнение: \((x - 3\frac{2}{5}) + 7\frac{4}{5} = 9\frac{1}{5}\).

\[x-3\frac{2}{5}=9\frac{1}{5}-7\frac{4}{5}=1\frac{2}{5}\]

\[x=1\frac{2}{5}+3\frac{2}{5}=4\frac{4}{5}\]

Ответ: \(x=4\frac{4}{5}\).