Algebra

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Across
  1. 2. First-degree equation
  2. 4. Changeable factor
  3. 5. Unchanging
  4. 7. Result of multiplication
  5. 8. A mathematical statement
  6. 10. Lowest point
  7. 11. Mirror-image balance
Down
  1. 1. Result of taking away
  2. 3. The symbols that enclose a calculation
  3. 5. Number beside a variable
  4. 6. Equation involving x squared
  5. 8. A problem to be solved
  6. 9. Result of division
  7. 10. Peak
  8. 11. Result of addition