If two or more questions ask the same thing, all but one should be closed as duplicates. If your answer is perfectly acceptable as the answer in two questions, those questions can probably be marked duplicate (unless the questions are subtly different, in which case, your answer should adjust to the specific situation the OP, and not be just a copy-paste).
Copying and pasting the same exact text as an answer to many questions is not very good site etiquette. You should carefully read the questions for each answer you post, and make sure that your answer is 100% applicable and relevant to the user's situation. If there are already answers by other users, read those answers, and make sure that your answer isn't redundant (i.e. just restating the same answer in your own words). If one of the existing answers is significantly upvoted or accepted as the answer, and something in your answer disagrees with theirs, you might want to take a moment to think about why your answer does not agree with theirs, and explain that as part of your answer.
Looks like you posted the same answer several times with very minimal tweaks. Some of the questions that you answered should be marked as duplicate rather than having more answers dumped on them.