Am nevoie de ajutor dau coroana

Răspuns:
l- lalele
z-zambile
n-narcise
l+z+n=57
l=2 * z
n= 7+ l
n=7+ 2*z
2*z+z+7+ 2*z=57
5z+7=57
5z=57-7
5z=50
z=10
l=2*10=20
n=7+20=27
Verificare: 20+27+10=47+10=57
* asta inseamna ori