Simplify {n - 1 - [n - 1 - (n - 1)]}.
{n-1-[n-1-(n-1)]} | Given{n-1-[n-1-n+1]} | Distribute most inner negative{n-1-n+1+n-1]} | Distribute next inner negativen-1 | Simplify like terms
Answer: the correct answer is n-1
