Answer:
x = 4 or x - 4 = 0
Step-by-step explanation:
x = a - it's a vertical line
For a vertical line, the slope is undefined. Therefore we can write the equation of a line parallel to x = -3 in form x = a or x - a = 0.
We have the point (4, 2) → x = 4 and y = 2.
Therefore we have the equation: x = 4
