<PRE><B>Question 180584</B>
sure why not....lol
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first lets find the mid point of (2,4) and (-6,10)
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midpoint formula((2-6)/2,(4+10)/2)
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(-2,7) is the midpoint of these two points
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now ordinarily we would have to find the slope of the line in question however in our case y=3 is a horizontal line 3 units above and parallel to the x axis
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so we know the line we want is going to be a vertical line and it passes thru 
(-2,7). the x coordinate is -2 therefore we know our equation is x=-2 which is a line that is 2 units to the left and parallel to the y axis.
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there ya have it!!!!!!!!!!</PRE>