nataliabsilva nataliabsilva
  • 25-10-2018
  • Mathematics
contestada

o dobro de meu antecessor menos 3,e igual a 25 que numero natural sou eu

Respuesta :

rejkjavik rejkjavik
  • 05-11-2018

Let's assume that natural number as x

Double my predecessor minus 3

[tex]=2x-3[/tex]

and we have

and equal to 25

so, we get

[tex]2x-3=25[/tex]

now, we can solve for x

Add both sides by 3

[tex]2x-3+3=25+3[/tex]

[tex]2x=28[/tex]

Divide both sides by 2

[tex]x=14[/tex]

So, that natural number is 14.........Answer

Answer Link

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