Найдите корень уравнения: 9-7*(x+3)=5-6x.

\[9 - 7 \cdot (x + 3) = 5 - 6x\]

\[9 - 7x - 21 = 5 - 6x\]

\[- 7x + 6x = 5 + 12\]

\[- x = 17\]

\[x = - 17.\]