Math

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Across
  1. 4. the letters in an expression
  2. 7. two mathematical expressions that are equal
  3. 8. cut down an expression
Down
  1. 1. separated by a + or - sign and without variables can be numbers or variables.
  2. 2. the numbers in front of the variables
  3. 3. does not contain an equal sign
  4. 5. the "plain numbers' or terms
  5. 6. property new algebraic expression will be equivalent to the original expression