x - liczba pojemników po 6
y - liczba pojemników po 10
6x = 10y
x = y + 4
6(y + 4) = 10y
4y = 24
y = 6
x = 10
liczba jaj:
6x + 5 = 60 + 5 = 65
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x-Olek
y-Marcin
1. x = y+5
2. x+4 = 2y
2:
y+5+4 = 2y
5+4 = 2y-y
y = 9
x = y+5 = 14
x+y+y = 32