Tanyasingh225 Tanyasingh225
  • 07-02-2017
  • Mathematics
contestada

The sum of seven times a number, and 9, is equal to six times the number. What's the algebraic expression?

Respuesta :

sawahli
sawahli sawahli
  • 07-02-2017
7n+9=6n
9=-n
n=-9
..............
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