в) \( x - \frac{4}{9} = 1 \frac{5}{6} \)

Решение:

\( x = 1 \frac{5}{6} + \frac{4}{9} \)

\( x = \frac{11}{6} + \frac{4}{9} \)

\( x = \frac{33}{18} + \frac{8}{18} \)

\( x = \frac{41}{18} \)

\( x = 2 \frac{5}{18} \)

Ответ: \( x = 2 \frac{5}{18} \)