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y - II liczba
Układamy równania:
x=8y+3
x-y=38
x-8y=3
x-y=38 /*(-1)
x-8y=3
-x+y=-38
_____________+
-7y=-35
y=5
x-y=38
x-5=38
x=43
Szukane liczby to : 43 i 5
voila!