XavAlviabrigma
XavAlviabrigma XavAlviabrigma
  • 10-08-2016
  • Mathematics
contestada

the difference between three times a number and seven is twenty. what is the number?

Respuesta :

Ckaranja
Ckaranja Ckaranja
  • 16-08-2016
Let the number be H;
3H-7=20
3H=20+7
3H=27
H=9
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