Respuesta :

flipi032
x +x/5 = 18
6x/5 = 18
6x = 90
x = 15
numero: ``x´´
x + x/5 = 18
5x/5 + x/5 = 18*5/5
(5x + x)/5 = 90/5
5x + x = (90*5)/5
5x + x = 90
6x = 90
x = 90/6
x = 15

el numero es 15

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