\[\boxed{\text{1044.\ }\text{еуроки}\text{-}\text{ответы}\text{\ }\text{на}\text{\ }\text{пятёрку}}\]
\[\textbf{а)}\ 2 \cdot (4y - 1) - 5y < 3y + 5\]
\[8y - 2 - 5y < 3y + 5\]
\[3y - 3y < 5 + 2\]
\[0 < 7 \Longrightarrow \ \ y \in R.\]
\[\textbf{б)}\ 6 \cdot (1 - y) - 8 \cdot (3y + 1) +\]
\[+ 30y > - 5\]
\[6 - 6y - 24y - 8 + 30y > - 5\]
\[- 30y + 30y > - 5 + 2\]
\[0 > - 3 \Longrightarrow \ \ y \in R.\]