Simplifying and Solving

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Across
  1. 3. number without a variable
  2. 5. simplify with no equal sign
  3. 8. number in front of a variable
  4. 9. Setting two ratios equal
  5. 10. solve with an equal sign
Down
  1. 1. Substitute and use PEMDAS
  2. 2. Getting an answer by using opposites
  3. 4. Evaluate an answer to see if it is correct
  4. 6. Comparing two quantities
  5. 7. PEMDAS