Решение:
\[ x - 2 · 3x - 2 · 2 = 16 \]
\[ x - 6x - 4 = 16 \]
\[ -5x - 4 = 16 \]
\[ -5x = 16 + 4 \]
\[ -5x = 20 \]
\[ x = \frac{20}{-5} \]
\[ x = -4 \]
Ответ: -4