Find the quotient: / means divide btw

Which expression is the result of dividing?

3y – 4 – 1/y-2
3y + 8 + 23/y-2
3y + 8 – 8/y-2
3y – 4 + 23/y-2

The answer to that is 6

This is what i found “an explicit formula designates the nth term of the sequence, as an expression of n (where n = the term's location). it defines the sequence as a formula in terms of n. this example is an arithmetic sequence(the same number, 5, is added to each term to get to the next term).” i hope this you for what your looking for. can you plz mark me brainliest?