Решите уравнение: 4*(x-3)=x+6.

\[4 \cdot (x - 3) = x + 6\]

\[4x - 12 = x + 6\]

\[4x - x = 6 + 12\]

\[3x = 18\]

\[x = 6\]

\[Ответ:x = 6.\]