[tex]ilosc\ osob\ grajacyck:\ \ 24\ osoby\\\\Zeby\ smoka:\ \ \ x\ osob\\Wedrujace\ niziolki :\ \ \ x-4\\Spotkanie\ elfow:\ \ \ \frac{x-4}{2}\\\\x +(x-4 )+\frac{x-4}{2}=24\\\\odp.\ C \\\\x +x-4 +\frac{x-4}{2}=24\ \ |*2\\\\2x +2x-8 +x-4=48[/tex]
[tex]5x =48 +8+4\\\\5x= 60\ \ |:5\\\\x=12\ osob\\\\odp.\ W\ "Zeby\ Smoka"\ gralo\ 12\ osob .[/tex]
