Complex sentence: The album debuted at number 18 on the US "Billboard" 200, selling 35,000 copies in its first week; also peaking at number 8 on the Top R&B/Hip-Hop Albums.
Split into simpler sentences: The album debuted at number 18 on the "Billboard" 200, selling 35,000 copies in its first week. It also peaked at number 8 on the Top R&B/Hip-Hop Albums.