Algebra

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Across
  1. 1. 8 multiplied by a number
  2. 4. a number divided by 4
  3. 6. a number multiplied by 36
  4. 8. a number multiplied by 8 and decreased by 3
  5. 9. 7 decreased by a number
Down
  1. 2. a number increased by 4
  2. 3. a number multiplied by 7 and increased by 3
  3. 5. a number multiplied by 9
  4. 7. a number decreased by 7
  5. 8. 8 decreased by a number