\[\boxed{\mathbf{79}.}\]
\[y = - 2x + b\]
\[1)\ A(3;2):\]
\[2 = - 2 \cdot 3 + b\]
\[b = 2 + 6\]
\[b = 8.\]
\[График:\ \ y = - 2x + 8.\]
\[2)\ B( - 3;3):\]
\[3 = - 2 \cdot ( - 3) + b\]
\[b = 3 - 6\]
\[b = - 3.\]
\[График:y = - 2x - 3.\]