"7+3" is a song by Italian singer-songwriter Ultimo. It was released on 22 December 2022 by Ultimo Records as the third single from the fourth studio album Solo.
As stated by the artist, the song was written on guitar about two weeks before its release and is a dedication to his mother.
The music video, directed by YouNuts!, a duo composed of Antonio Usbergo and Niccolò Celaia, was released on the Ultimo's YouTube channel to coincide with the song's release.