Jis the midpoint of the coordinates of j are (-8,7) and the coordinates of k are (3,4) find the coordinates of l. can someone me? i get really confused with geometry and im trying to finish this final and im not sure how to solve this problem

Solution:

STEP 1:Let the coordinates of L be (x,y). Then use the Midpoint formula to solve for x and y 
(3 + x)/2 = -8 and (4+ y)/2 = 4 

3 + x = -16 and 4 + y =8
x = -16 -3 and y = 8 - 4
x= -19 and y= 4 

Therefore the coordinates of L are (-19,4)

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