cdellinger1020
cdellinger1020 cdellinger1020
  • 09-11-2020
  • Mathematics
contestada

please help me with this ​

please help me with this class=

Respuesta :

Annder
Annder Annder
  • 09-11-2020

Step-by-step explanation:

-4 = x - y ...1

4 = -x + y ...2

...1 + ...2

-4+4 = x-y +(-x+y)

0 = 0

and I don't know next lol

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