Решите уравнение: (7-4x)-(3x+2)=12.

\[(7 - 4x) - (3x + 2) = 12\]

\[7 - 4x - 3x - 2 = 12\]

\[- 7x = 12 + 2 - 7\]

\[- 7x = 7\]

\[x = - 1.\]