If nmtui is not installed on your system, try installing it;
yum install NetworkManager-tui
Once the installation is completed, enter the command nmtui on the SSH console. You will then get a following screen;
From this screen, you can select "Edit a connection" to add/remove IP address you wish to.
Since the interface is pretty much self explanatory, you can follow the instructions to get your things done.
This tutorial is about how to add/remove an IP address from CentOS 7 based system.