Answer:
Infinite number of parallel lines can be drawn to any general straight line.

Explanation:
Given

Which is in the form of general straight line that is

Where m is the slope of the line and c is the constant.
To any straight line we can draw infinite number of parallel lines.
Let we draw graphically
For any line to draw we require minimum 2 points.
put
so the point is (0,10)
put
so the point is (-2,0)
Plot the points and draw line
See the picture given below