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Daca elevii unei clase ar fi asezati cate 2 in banca ar ramane 3 banci libere,iar daca ar fi asezati cate 3 elevi in banca ar ramane 8 banci libere.Cati elevi si cate banci sunt in clasa

Va rog ajutatima


Răspuns :

x=nr banci
2(x-3)=3(x-8)
2x-6=3x-24
x=18 banci
2(18-3)=30 elevi
30:2=15banci+3banci libere=18banci
30:3=10banci+8banci=18banci
30elevi si18banci