Question

a parallel line is drawn from point p(5,3) to y axis, what is the distance between the line and y axis ...

Answer 1

the distance between the line and y axis is 5 units

Answer 2

 A line parallel to y axis is drawn from the point(5,3).

Equation of straight line parallel to y axis is x=a at a distance of a units.

As X=a passes through(5,3)

so the equation becomes x=5 

Hence 5 units is the distance between straight line X=5 from Y axis.