Here are 8 videos that discuss the different aspects of graphing a linear equation:
Video 1

Video 2:

Example 3x – 2y =4

Video 3:
Example 2x + 6 = 0 (no y variable)
Graphing vertical lines

Video 4
y + 7 = 11
Graphing horizontal lines

Video 5

Video 6

Video 7

Video 8