I have a MacBook Pro with two partitions:

1. macOS partition (200 GB). 
2. Linux partition (100 GB).

When I enter the Recovery Mode and open Disk Utility, and click "partition" on my whole HD device, I can see a pie chart showing each partition and its size. 

My goal is to delete the Linux partition and get back to the normal state where my Mac has a full 300 GB of storage instead of 200 GB. 

My question is:
If on the pie chart I clicked on the Linux partition and clicked the minus "-" symbol, will it achieve my goal?

Is it going to delete my Linux partition and give its size to the Mac without losing any data on my Mac partition?