Simplify 5 + n + (15 - 2)
Use distributive property to remove the (). So you get 5+ n+ 15 -2. Rearrange the terms into a easier format: 15 + 5 - 2 + n. Combine like terms and you get 18+n.
5 + n + (15 - 2) simplified is
n + 18
hope this helps. ;)
