Решите уравнение: 8,31k-71=1,11k+1.

\[8,31k - 71 = 1,11k + 1\]

\[8,31k - 1,11k = 1 + 71\]

\[7,2k = 72\]

\[k = 72\ :7,2\]

\[k = 10.\]