joshuacarter166 joshuacarter166
  • 30-11-2016
  • Mathematics
contestada

System by Substitution

-3x-3y= -12
Y=0

Relax

Respuesta :

KeaneNR KeaneNR
  • 30-11-2016
Substitute the 0 in for y:
-3x - 3(0) = -12
-3x - 0 = -12
-3x = -12

Divide by -3:
-12/-3= 4

Answer:
x = 4

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