My moto 4G play treats incoming messages as if they are group messages
Try uninstalling any updates, disabling and re-enabling the stock
app. To do this go to settings > Apps > (your default messenger
app).  Then press disable/uninstall updates.  
Try using an alternative messenger such as WhatsApp , BlackBerry
Messenger or Telegram. All  of these are available for free on the
Google Play store.
Try resetting your phone by doing a "Soft-Reset". To do this go to
settings > Backup and Reset > Factory Data Reset.  Be sure to backup
all your data, app data, documents and media  on your phone before
doing this. 
If a soft reset doesn't work, try resetting your phone using a "Hard
Reset". This completely reinstalls your Android system. Like before,
be sure to backup all your data before doing this. Here's a link
with instructions to do so Motorola G 4G Factory Reset
Instructions