Решите уравнение: 4(2-3x)+7(6x+1)-9(9x+4)=30.

\[4 \cdot (2 - 3x) + 7 \cdot (6x + 1) - 9 \cdot (9x + 4) = 30\]

\[8 - 12x + 42x + 7 - 81x - 36 = 30\]

\[- 51x = 30 + 21\]

\[- 51x = 51\]

\[x = - 1.\]