I'm asking because of this question. I have already provided an answer and I have another way to achieve the solution. I want to add both answers.
Can I do that or are there any consequences for this?
As long as your solutions are distinct and self-contained, you're welcome to post each solution as its own answer if you would rather do that than consolidate both of them into, or replace one with the other within, a single answer.
You should not use multiple answers when they are two parts to one solution.
Yes you can but it would be good if you have posted one answer and the second answer you thought is good, you can edit your first answer and post the second answer inside the first answer.