\[|x - 2| = - 1\]
\[x - 2 = - 1\ \ \ или\ \ \ \ x - 2 = 1\]
\[\ \ \ \ \ \ \ \ x = 1\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ x = 3\]
\[Ответ:x = 1;x = 3.\]