§ Задание 119
\[\boxed{\text{5.\ 119}}\]
\[1)\ 6 \cdot (8a - 3) - 8 \cdot (6a + 5) =\]
\[= 48a - 18 - 48a - 40 = - 58\ \]
\[2)\ 7 \cdot (5c + 8) - 5 \cdot (7c - 8) =\]
\[= 35c + 56 - 35c + 40 = 96\]
\[\boxed{\text{5.\ 119}}\]
\[1)\ 6 \cdot (8a - 3) - 8 \cdot (6a + 5) =\]
\[= 48a - 18 - 48a - 40 = - 58\ \]
\[2)\ 7 \cdot (5c + 8) - 5 \cdot (7c - 8) =\]
\[= 35c + 56 - 35c + 40 = 96\]