\[\frac{\left( c^{- 4} \right)^{2} \cdot c^{14}}{c^{- 3}} = c^{- 8} \cdot c^{17} = c^{9}\]
\[Ответ:2.\]
\[7 - 6x = 22 - 2 \cdot (x + 3)\]
\[7 - 6x = 22 - 2x - 6\]
\[- 6x + 2x = 16 - 7\]
\[- 4x = 9\]
\[x = - \frac{9}{4} = - 2,25.\]
\[Ответ:\ - 2,25.\]