Răspuns :
[tex]x-\frac{12x}{100} = 165[/tex]
[tex]x- \frac{3x}{25}= 165 [/tex]
[tex] \frac{25x}{25} - \frac{3x}{25} = 165[/tex]
[tex] \frac{22x}{25}= 165[/tex]
[tex]22x = 165*25 = 4125 => x = 4125:22 => x = 187,5[/tex] lei
[tex]x- \frac{3x}{25}= 165 [/tex]
[tex] \frac{25x}{25} - \frac{3x}{25} = 165[/tex]
[tex] \frac{22x}{25}= 165[/tex]
[tex]22x = 165*25 = 4125 => x = 4125:22 => x = 187,5[/tex] lei