Решите уравнение: (x-4)/5+1=(2x+4)/9.

\[\frac{x - 4}{5} + 1 = \frac{2x + 4}{9}\ \ \ | \cdot 45\]

\[9 \cdot (x - 4) + 45 = 5 \cdot (2x + 4)\]

\[9x - 36 + 45 = 10x + 20\]

\[9x - 10x = 20 - 9\]

\[- x = 11\]

\[x = - 11.\]

\[Ответ:x = - 11.\ \]