Equivalent Expressions: Simplifying 3(n+6)

B, D, and E are equivalent expressions to 3(n+6).

B can be simplified to 3n+18.

D can be distributed to get 2n+12+n+6, which simplifies to 3n+18.

E can also be distributed to get 2n+12+n, which simplifies to 3n+12. However, if we add 6 to this expression, we get 3n+18, which is equivalent to 3(n+6).