Instalar:
wget https://downloadeu8.teamviewer.com/download/version_12x/teamviewer_12.0.76279_i386.deb
sudo dpkg -i teamviewer_12.0.76279_i386.deb
Talvez tenha erro:
Errors were encountered while processing:
teamviewer:i386
Informação:
sudo dpkg -l | grep team
iU teamviewer:i386
Corrigir:
sudo dpkg --add-architecture i386
sudo apt update
sudo apt -f install
Informação:
dpkg -l | grep team
ii teamviewer:i386