Respuesta :

M midpoint: (Xm,Ym) = (-5,8)

Y = (x2,y2) = (8.3)

s =(x1,y1)

Xm = (x1+x2)/2

-5 = (x1+8) /2

-5(2)= x1+8

-10 =x1+8

-18=x1

Ym= (y1+y2)/2

8= (y1+3) /2

8(2)= y1+3

16=y1+3

13=y1

S=(-18,13)