Respuesta :

AlwynJoby
(1,-19/2) is the midpoint
hendersontatem226

Answer:

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Step-by-step explanation:

1 Simplify  1-71−7  to  -6−6.

-6,1-12−6,1−12

2 Simplify  1-121−12  to  -11−11.

-6,-11−6,−11

Done