x-wiek ojca
y-wiek syna
x=28+y
x-2=3(y-2)
x-2=3y-6
28+y-2=3y-6
2y=32
y=16
x=44
Ojciec ma 44lata a syn 16lat
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x-wiek ojca
y-wiek syna
x=28+y
x-2=3(y-2)
x=28+y
x-2=3y-6
x=28+y
28+y-2=3y-6
x=28+y
2y=32
y=16
x=44
Ojciec ma 44lata a syn 16lat