devinwashingtom12 devinwashingtom12
  • 06-05-2020
  • Mathematics
contestada

- 4x + 8y = 20
----4x + 2y = -30

Respuesta :

rcarlossosa50 rcarlossosa50
  • 06-05-2020

Answer:

40

Step-by-step explanation:

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