nani86 nani86
  • 22-07-2019
  • Mathematics
contestada

11) x + 3y=1
-3x – 3y=-15

Respuesta :

kosala1478
kosala1478 kosala1478
  • 22-07-2019

Answer:

add

Step-by-step explanation:

add both

-2x=-14

x=-7

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