I am coming across a problem with my disc space, but when I try to resize or merge my partitions I cannot. I've tried many solutions like using GParted to resize or merge, but it is locked and I do not have a CD to do another action.
https://i.stack.imgur.com/TuaaG.jpg
https://i.stack.imgur.com/ADXpl.jpg
P.S: I am not using dual boot or windows.