jojo5688
jojo5688 jojo5688
  • 27-08-2018
  • Mathematics
contestada

Need help how to solve this

Need help how to solve this class=

Respuesta :

misssedona
misssedona misssedona
  • 27-08-2018

x=0 because 0-9 = -9

Answer Link
kalynn134
kalynn134 kalynn134
  • 27-08-2018

4n-9=-9

+9 +9=0

4n=0

n=0

Answer Link

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