Look at Shireley's response. Here is said sentence https://forum.duolingo.com/comment/30164977
It's confusing, one time translating it to "togheter with" and the other time mark the same thing as wrong. The question remains, when to translate it to togheter with, (along with) or just with ?
Take a look at the this link https://en.bab.la/dictionary/romanian-english/%C3%AEmpreun%C4%83-cu