You can put this solution on YOUR website! (2n-4)-2n
The distributive property is the process of distributing the number on the outside of the parentheses to each number on the inside. So we will make sure that half goes with 2n AND half willl go with -4:
(2n) - (4)
We need to bring in the "-2" that comes after the parentheses: (2n) - (4)-2