How to paint a bedroom wall with wallpaper glue residue on it?

Lisa V.
by Lisa V.

I need to paint my master bedroom's walls that sadly have grass cloth wallpaper's 30 year old glue on them. I have gotten both layers of the wallpaper off, but can not get all of the glue residue off even with sanding! I need something to camouflage these bumps everywhere. Help!

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