 
 <prompt> ```Carol nwere $60 na ọ nwere $9 na nkeji. Mike nwere $90 na ọ nwere $3 na nkeji. Kedu ihe ọ bụla ọzọ mgbe Carol na Mike nwere akwụkwọ ndị na-eme ihe ojiji?``` <response>: ```Dee x = nọmba ndị ọzọ.
60 + 9x = 90 + 3x iji gbalịa ha dị.
9x = 30 + 3x
6x = 30
x = 5
Site na 5 ndị ọzọ ha ga-eme ego dị ka ndị ọzọ.

Ọdịkarịta ga-eji bụ 5.``` 