Answer :

Yang100

Answer:

(2, -8)

Step-by-step explanation:

(x, y)=(-3, -1)

(x1+x2)/2=-3,

(y2+y2)/2=-1,

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(x1+x2)/2=-3

(y1+y2)/2=-1

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x1-8=-6

x1=2

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y1+6=-2

y1=-8

(2, -8)

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