\[\frac{10}{6 - x} = \frac{4}{x + 2}\]
\[10 \cdot (x + 2) = 4 \cdot (6 - x)\]
\[10x + 20 = 24 - 4x\]
\[10x + 4x = 24 - 20\]
\[14x = 4\]
\[x = \frac{4}{14}\]
\[x = \frac{2}{7}.\]