marissabella2005 marissabella2005
  • 11-02-2020
  • Mathematics
contestada

2/7 + 3/a =

please help me

Respuesta :

carlenehagen carlenehagen
  • 11-02-2020
2/7 = -3/a, (2/7)a = -3, a = -3/(2/7), so the answer would be -10.5 or -21/2
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