What do I stipulation to do formerly I paint? We took down old wallpaper and some wall board. (Paper above,...

We took down old wallpaper and some wall board. (Paper above, board beneath.) How do I remove adjectives the old wallpaper paste and do I have to? Also, lower than the wall board the dry wall had not be finished, it's just the open to the elements dry wall surface. If I mix mud into the paint and apply it with a roller will that bequeath me coverage of all this mess?
Answers:    First use soapy river on the glue, find it wet and rub it to remove the outdated glue. Then use sandpaper to smooth the wall, later apply mud to any bad spots smooth next to trowel and sand when dry. Paint with primer, afterwards paint with preferred color.
resourcefully frist try to get adjectives the wall paper out as much as u can than i reason go to google and they relay u how!!