What is the y-intercept of the graph: 3x – 2y = 12

What is the first step of constructing a perpendicular line from a point not on a given line?

Check two images 

What is the yintercept of the graph 3x 2y 12 What is the first step of constructing a perpendicular line from a point not on a given lineCheck two images class=
What is the yintercept of the graph 3x 2y 12 What is the first step of constructing a perpendicular line from a point not on a given lineCheck two images class=