Thank you for the feedback! We know that deleting a page can be challenging so we have recently updated our help article on this topic to help explain why you might have a blank page in your document and how to remove it when that happens. You can find the article here: https://support.office.com/en-us/article/Delete-a-page-in-Word-174fedd3-b4e5-42e4-a4d0-5e25127a1404Cheryl commented
Just go to the top of the empty page and hit the backspace button. It will delete the empty page. It worked every time for me. I deleted 4 pages this way.