How i can answer this question?

It isn’t asking you to answer the question, all you need to do is simplify it

This is something called collecting like terms, for example, we’d combined both of the r terms

4r - r = 3r

And combine both of the constant terms

14 - 6 = 8

The final expression will be 3r + 6

Option ait states the correct answer

Many things that seem threatening in the dark become welcoming when we shine light on them