MHB What are the coordinates of point D?

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The discussion focuses on finding the coordinates of point D given specific midpoints and endpoints in a coordinate system. Point A is located at (-9, -4) and point C at (-1, 6), making point B, the midpoint of AC, calculated as B = ((-9 + -1)/2, (-4 + 6)/2) = (-5, 1). Point E, the midpoint of BD, is given as E(-4, -3), leading to the equation for point D as D = (2E_x - B_x, 2E_y - B_y), resulting in D = (-3, -7).

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B is the midpoint of AC( LIne segment) and E is the midpoint of BD( LIne segment). If A(-9, -4), C(-1,6) and E(-4,-3), find the cooridinate of D. I got really lost on that
 
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what did you get for the coordinates of point B ?
 

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