title: Excel: If column A matches, add column B value horizontally in column C
body: <p>Is it possible to match values from column A and if they match, add all matching values from column B to column C horizontally?</p>
  
  <p>I've attached an example of the excel as image.</p>
  
  <p><a href="https://i.stack.imgur.com/29D6W.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/29D6W.jpg" alt="enter image description here"></a></p>