Navigate to your solution article one one of two ways: 

1 - You can search for your solution from the front public view as long as you are logged in.  Find the "agent headphone" icon to quickly edit your solution article.  

The article should open and you are ready to make edits. Click Save. Then, click Publish. 

2 - You can go to the backend and search by Solutions. Select your folder, search and select your article.

To make edits, click the three dots and select Edit. 

Edit your article. Click Save. Then, click Publish.