estafford69
estafford69 estafford69
  • 10-11-2020
  • Mathematics
contestada

Find the solution of the system of equations.
-x+3y=9
-x-y=-3

Respuesta :

Аноним Аноним
  • 12-11-2020

Step-by-step explanation:

use the steps of simultaneous

elimination steps

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