Math

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Across
  1. 4. contains numbers operations and variables
  2. 5. contains numbers and operations
  3. 7. a single number,a single variable, or a number and a
  4. 8. A number in front of a variable linked by
  5. 9. No equal sign
Down
  1. 1. A letter that represents an unknown number
  2. 2. next to each other separated by a operation
  3. 3. term with no variable
  4. 6. Equal sign