Решите уравнение: 11x+103=1+(12x-31).

\[11x + 103 = 1 + (12x - 31)\]

\[11x + 103 = 1 + 12x - 31\]

\[11x - 12x = - 30 - 103\]

\[- x = - 133\]

\[x = 133.\]