MegRose78
MegRose78 MegRose78
  • 07-11-2017
  • Mathematics
contestada

find the number that is 9 greater than twice the opposite of itself

please show work if possible.

Respuesta :

fontenotemily9 fontenotemily9
  • 07-11-2017
n= the number

n = 9 + 2(-n)

combine like terms:

-9= -3n

divide both sides by -3

n=3
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