In Exercises 1336, combine like terms.-6x + 2x + 21
Chapter 6, Problem 6.1.66(choose chapter or problem)
In Exercises 13-36, combine like terms.
-6x + 2x + 21
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer