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mama =3x
tata = 3x+2
x+3x+3x+2 = 93
7x=93-2
7x=91/7
x=13
y-wiek taty
z-wiek syna
x+y+z=93
y=x+2
x=3z
3z+3z+2+z=93
7z=93-2
7z=91 :7
z=13 wiek syna
13 lat- wiek syna
x=3*13=39 lat- wiek mamy
y=39+2=41 lat- wiek taty
odp.mama ma 39 lat,tata 41 lat,a syn 13 lat