CUAL ES EL NUMERO CUYO CUADRUPLE DISMINUIDO EN 8 ES IGUAL AL DOBLE DEL SIGUIENTE?
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4x-8 = 2x+2
4x - 2x = 2+8
2x = 10
x = 10/2 = 5
El número es 5.
comprobémoslo:
5*4 - 8 = 2*6
20-8 = 12 comprobado.....
Saludos....