Odpowiedź:
b - borsuk
l - lis
2b = 3l
2l = b + 5
b = 2l - 5
2(2l - 5) = 3l
4l - 10 = 3l
l = 10
b = 2*10 - 5 = 15
Borsuk waży 15kg.
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Odpowiedź:
b - borsuk
l - lis
2b = 3l
2l = b + 5
b = 2l - 5
2(2l - 5) = 3l
4l - 10 = 3l
l = 10
b = 2*10 - 5 = 15
Borsuk waży 15kg.