 
 <prompt> Layin rayuwar hamster shine 6 shekaraun baya daga cikin layin rayuwar kwakwalwa. Layin rayuwar kifi shine 4 mafi yawa daga cikin layin rayuwar hamster. Duk da haka, layin rayuwar abubuwan da suka faru ne 30 shekara. Me yasa layin rayuwar kwakwalwa yake? <response>: ```Muna nemi wani matsala ta hanyar nema tsarin da za'a nema da ita ta yin hakan, ta hanyar kira rayuwarsa na kaza x, kuma rayuwarsa na kaza na hamster x - 6, kuma rayuwarsa na kaza na frog 4 (x - 6) wanda za'a samu da 30, kamar haka: x + x - 6 + 4 (x - 6) = 30. 
Haka za mu samu 6x - 30 = 30 kuma mu nuna 30 zuwa kowane bakin domin mu nuna x.
Yanzu muna da 6x = 60, wanda muna sa mu haifar da 6, 6x / 6 = 60 / 6. 
Wannan zai bawa mu x = 10. Rayuwar kaza ta ke da 10 shekara.

Javobi zai kasance 10.``` 