\[- 5 \cdot (1,4a - 6) + (3,4a - 1) =\]
\[= - 7a + 30 + 3,4a - 1 = - 3,6a + 29\]
\[при\ a = \frac{1}{9}:\]
\[- 3,6 \cdot \frac{1}{9} + 29 = - 0,4 + 29 = 28,6.\]