Решите уравнение: 20+4(2x-5)=14x+12.

\[20 + 4 \cdot (2x - 5) = 14x + 12\]

\[20 + 8x - 20 = 14x + 12\]

\[8x - 14x = 12\]

\[- 6x = 12\]

\[x = - 2.\]