The slope-intercept form is:

Where m is the slope and b is the intercept.
For two lines to be parallel they have to have the same slope. So a line parallel to

Has m = -4. So until now we have this equation:

To find the intercept b we use the given point (5,-7). We just have to replace these values of x and y into the equation above and solve for b:

So there we have the complete equation of the asked line:

And the graph is: