$ sudo apt-get update
$ sudo apt-get install liblzma5 

liblzma5 is installed in your system.

Make ensure the liblzma5 package were installed using the commands given below,

$ sudo dpkg-query -l | grep liblzma5 *

You will get with liblzma5 package name, version, architecture and description in a table

liblzma5 package basic information: