 <translate> Ganin ra'ayin tunani na hankali, samar da tambaya mai ma'ana da amsa. Dalili: Idan x shine shekarun Maria, to, shekarun Mario shine x + 1. Ƙididdigar da ke wakiltar jimlar shekarunsu ita ce x + x + 1 = 7. Ta hanyar haɗa abubuwa iri ɗaya, lissafin ya zama 2x = 6. Saboda haka, darajar x wanda yake wakiltar shekarun Maria shine 6 / 2 = 3. Don haka Mariu yana da shekara 3 + 1 = 4.  Tambaya da amsa: <ibo> N'iburu n'uche usoro nke echiche, nye ajụjụ na azịza ezi uche dị na ya. Ihe kpatara ya: Ọ bụrụ na x bụ afọ ole Maria dị, mgbe ahụ, afọ ole Mario dị bụ x + 1. Ngwakọta nke na-anọchi anya nchikota nke afọ ndụ ha bụ x + x + 1 = 7. Site n'ijikọta okwu ndị yiri ibe ha, nha anya ahụ na-aghọ 2x = 6. N'ihi ya, uru nke x nke na-anọchi anya afọ ndụ Maria bụ 6 / 2 = 3. Ya mere, Mariu dị afọ 3 + 1 = afọ 4.  Ajụjụ na azịza: 