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mil20
Lv 4
mil20 asked in Ciencia y matemáticasMatemáticas · 1 decade ago

¿triple de un numero disminuido en cinco unidades es igual a 25.¿Cual es el numero?

4 Answers

Rating
  • Diego Arias
    1 decade ago
    Favorite Answer

    Un número = x

    Ahora seguiremos lo que nos dice el problema:

    El triple de un número: 3x

    Disminuido en 5 unidades: 3x - 5

    Es igual a 25: 3x - 5 = 25

    3x - 5 = 25

    3x = 25 + 5

    3x = 30

    x = 30 / 3

    x= 10

    Por lo tanto ese número es "10"

  • PickZone
    Lv 4
    1 decade ago

    3x-5 = 25

    x = (25+5):3

    x = 30:3

    x = 10

  • MARCELO
    1 decade ago

    10(3)=30- 5=25

    ese numero es 10

  • MARISA L
    Lv 5
    1 decade ago

    3x-5=25

    3x=25+5

    3x=30

    x=30/3

    x=10

    Source(s): Profesora de Matematica
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