Inequalities and equations

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Across
  1. 7. The number tied to a variable
  2. 8. A letter representing a number not found yet
  3. 11. a statement made of numbers
  4. 12. saying that two or more things are equal using and equal sign
  5. 14. 5 is ____ (two words)
  6. 15. The number tied to the positive or negative sign
Down
  1. 1. repeted addition
  2. 2. 4 is____ 5 (two words)
  3. 3. terms in a math equation that have both have variables or exponents
  4. 4. 3 is ____ to 3/1
  5. 5. to put together
  6. 6. a numbers worth
  7. 9. Saying something is equal to another thing
  8. 10. Saying two things are not equal using less than or equal too
  9. 13. a number over a number, also can be a way to write division