wsmiley1 wsmiley1
  • 17-05-2017
  • Mathematics
contestada

The sum of 3,4 and a number amounts to 16. Find the number.

Respuesta :

mor725 mor725
  • 17-05-2017
3+4+x=16
3+4
^7+x=16
^7___^7
x=9
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