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Tomek - x - 4
Ewa - x
x+3x+x-4=46
5x=50/:5
x=10
Tak więc:
Ala - 30 lat
Tomek - 6 lat
Ewa - 10 lat
5x=46+4
5x=50
x=10
Wiek Ewy- 10 lat
Wiek Ali- 30 lat
Wiek Tomka- 6 lat
5x=50 /:5
x=10
Ala - 30 lat
Ewa-10 lat
Tomek- 6 lat