bpopeman bpopeman
  • 16-12-2020
  • Mathematics
contestada

−4x + 5y = −10
20a − 25b = 50

Respuesta :

Аноним Аноним
  • 16-12-2020

number one is x= 415=3 43 =3.75

number two is a= 45(b+2)

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