No, your post does not get added, sorry.
If you spend a long time writing an answer, before you post you can try opening the question in a separate tab/window by right clicking the title and clicking "open in new tab". If the question is still shown, go back to your first tab and submit the answer.
Note that if a question breaks the rules it's best to not answer it. Flag it and if it's a duplicate you can post a comment linking to the other question.