\[\boxed{\ \mathbf{494\ (494)}.\ Еуроки\ - \ ДЗ\ без\ мороки}\]
\[1)\ (x - 23)\ :26 = 8\]
\[x - 23 = 8 \cdot 26\]
\[x - 23 = 208\]
\[x = 208 + 23\]
\[x = 231\]
\[Ответ:231.\]
\[2)\ 1728\ :(56 - x) = 36\]
\[56 - x = 1728\ :36\]
\[56 - x = 48\]
\[x = 56 - 48\]
\[x = 8\]
\[Ответ:8.\]