Решение:
\[ 3(x + 4) - 2(x - 4) = 4 \]
\[ 3x + 12 - 2x + 8 = 4 \]
\[ (3x - 2x) + (12 + 8) = 4 \]
\[ x + 20 = 4 \]
\[ x = 4 - 20 \]
\[ x = -16 \]
Ответ: -16