In this case, the walls were taken down and created a bigger living space. It was fine, but the carpet needed some attention. They had some carpet left over, and with the extra piece taken from the closet, I was able to patch the bald spots.
Without any further due, here are the pictures
basement carpet restoration after removal of the walls 
basement carpet restoration after removal of the walls 
basement carpet restoration after removal of the walls
basement carpet restoration and installing new underlay basement carpet restoration after removal of the walls 
basement carpet restoration after removal of the walls