Вопрос:

Ответ:

\[|v| - 6u = 3 - 7u\]

\[- 6u + 7u = 3 - |v|\]

\[u = 3 - |v|\]

\[v = - 25:\]

\[u = 3 - | - 25| = 3 - 25 = - 22.\]

\[v = 0:\]

\[u = 3 - |0| = 3 - 0 = 3.\]

\[v = 4:\]

\[\ u = 3 - |4| = 3 - 4 = - 1.\]