Answer:
[tex]{ \underline{ \sf{slope \: is \: \frac{7}{4} }}}[/tex]
Step-by-step explanation:
Parallel lines have same slopes.
General equation of line:
[tex]y = mx + c[/tex]
the line given:
[tex] - 4y + 7x = 20 \\ 4y = 7x - 20 \\ y = \frac{7}{4} x - 5[/tex]