Break out Box

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Across
  1. 3. ______ terms can be combined in our equations.
  2. 5. The _________ property is used to simplify parentheses.
Down
  1. 1. The number before the variable is called a ______.
  2. 2. ________ tiles can be used to physically model multi-step equations.
  3. 4. __________ are letters that represent an unknown number in our equations.