Algebra Terminology

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Across
  1. 3. a letter that represents an unknown number
  2. 5. a combination of variables and numbers
  3. 7. a group of one or more factors
  4. 8. made up of two expressions and an equal sign
Down
  1. 1. a number represented by a letter before a number
  2. 2. terms that have the same variable
  3. 4. a value or number that stays the same
  4. 6. to reduce a fraction into its lowest terms