garciaarelly38 garciaarelly38
  • 21-10-2020
  • Mathematics
contestada

7z= 21
2x + 3y – z =-2 x=_y=_2=
x + 2y + 3z = 9

Respuesta :

lucianvigneault
lucianvigneault lucianvigneault
  • 21-10-2020

Answer:

1)  7(3) = 21

Step-by-step explanation:

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