DakodaWhite9858 DakodaWhite9858
  • 24-03-2017
  • Mathematics
contestada

Solve using elimination.


9x + 4y = -6


-7x + y = -20

Respuesta :

Firefox37719 Firefox37719
  • 30-06-2017
9x+4y=-6
4(-7x+y=-20)

9x+4y=-6
-(-28x+4y=-80)

37x=74

x=74/37

x=2


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