Equations

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Across
  1. 2. The answer to an addition problem
  2. 4. A math sentence stating two things are equal.
  3. 6. The inverse of subtraction
  4. 7. The answer to a division problem
  5. 8. The inverse of addition
  6. 10. Equal
  7. 13. A letter in math
  8. 14. Doing the same thing to both sides of an equation.
  9. 15. To set apart from others
Down
  1. 1. The inverse of division
  2. 3. The inverse of multiplication
  3. 5. The answer to a subtraction problem
  4. 9. Add, subtract, multiply, and divide
  5. 11. The opposite
  6. 12. The answer to a multiplication problem