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Edek=x+3
Ewa=x+6
x+6+x+3=29
2x=29-9
2x=20
x=10
Ala ma 10 lat
Ala - x
ewa - x+ 3 + 3
x+3 + x + 3 + 3 = 29
2x = 29 - 9
2x = 20
x = 10
edek - x+3 = 13 lat
Ala x = 10
ewa- x + 6 = 16