tania2paola tania2paola
  • 31-08-2018
  • Mathematics
contestada

80 , decreased by three times a number , is the same as five times the number , increased by 8 . find the number

Respuesta :

julettuce julettuce
  • 31-08-2018

80 - 3x = 5x + 8

72 = 2x

x = 36

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