\[7b^{\backslash b} + \frac{2a - 7b^{2}}{b} =\]
\[= \frac{7b^{2} + 2a - 7b^{2}}{b} = \frac{2a}{b};\ \]
\[a = 9;\ \ b = 12:\]
\[\frac{2 \cdot 9}{12} = \frac{3}{2} = 1,5.\]