ILopez2019 ILopez2019
  • 14-04-2021
  • Mathematics
contestada

Substitution.
-3x - 2y = -12
y = 5x - 7

Respuesta :

AlyssaTN
AlyssaTN AlyssaTN
  • 14-04-2021

Answer:

-3x-2(5x-7)=-12

-3x-10x+14=-12

-13x+14=-12

-13x=-16

x=2

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