\[5x - 3a = 2\]
\[5x = 2 + 3a\]
\[x = \frac{2 + 3a}{5}\]
\[\frac{2 + 3a}{5} > 10\]
\[2 + 3a > 50\]
\[3a > 48\]
\[a > 16.\]