 <translate> Ka b bụrụ afọ ahụmahụ Bill na j bụrụ afọ ahụmahụ Joan. Anyị maara na j - 5 = 3(b - 5) na j = 2b. N'ịgbanwe ntụnyere nke abụọ n'ime ntụnyere nke mbụ, anyị na-enweta 2b - 5 = 3(b - 5). N'ịgbasa site na parentheses, anyị na-enweta 2b - 5 = 3b - 15. Na-agbakwunye 15 n'akụkụ abụọ, anyị na-enweta 2b + 10 = 3b. Ichefu 2b n'akụkụ abụọ, anyị na-enweta 10 = b. Azịza ikpeazụ ya bụ: 10. <hau> Bari b ya zama shekarun Bill na kwarewa kuma j ya zama shekarun Joan na kwarewa. Mun san cewa j - 5 = 3 ((b - 5) da kuma j = 2b. Sauya lissafi na biyu a cikin lissafi na farko, muna samun 2b - 5 = 3 ((b - 5). Ta hanyar ninkawa ta hanyar iyakance, muna samun 2b - 5 = 3b - 15. Ƙara 15 zuwa bangarorin biyu, muna samun 2b + 10 = 3b. Idan muka cire 2b daga bangarorin biyu, za mu samu 10 = b. Amsar ƙarshe: 10. 