Question 118868
1) Find the point of intersection of:
 x = 3 and y = 2
When you graph these equations, you get two lines. 
Think of it this way, suppose you were asked to plot all the points where x = 3 and y = any number. What would you see?  A series of points that line up vertically at 3 units to the right of the y-axis.  Now draw a line connecting these point and you would have your vertical line at a distance of +3 from the y-axis.
Similarly for y = 2, except that the series of points and the line would be horizontal and lie at a distance of +2 above the x-axis.
From x = 3 you get a vertical line that passes through the point x = 3 which contains all the points of x = 3 (notice that no mention is made of the y's because this line actually contains all values of y).
From y = 2 you get a horizontal line that passes through the point y = 2 and which contains all the points of y = 2.
The intersection is, of course, the point (3, 2)

2) Similarly for x = -2 and y = 4
For x = -2 you get a vertical line that passes through the point x = -2.
For y = 4 you get a horizontal line that passes through the point y = 4 
The intersection is at the point (-2, 4)
You should draw these lines on your graph paper to see this.