\[ \frac{2(11x-4)}{14} - \frac{7(x-9)}{14} = 5 \]
\[ \frac{22x - 8 - (7x - 63)}{14} = 5 \]\frac{22x - 8 - 7x + 63}{14} = 5
\[ \frac{15x + 55}{14} = 5 \]
\[ 15x + 55 = 70 \]
\[ 15x = 70 - 55 \]15x = 15x = 1
Ответ: x = 1