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Sign kept or flipped

Exercise and reference answers

Upper category
Holds
Lower category
Flips
Items
  1. Category
    Holds
    Item
    Add 5
  2. Category
    Holds
    Item
    Take 5
  3. Category
    Holds
    Item
    Times 3
  4. Category
    Holds
    Item
    Divide 4
  5. Category
    Flips
    Item
    Times -3
  6. Category
    Flips
    Item
    Divide -4
  7. Category
    Flips
    Item
    Times -1
  8. Category
    Flips
    Item
    Negate
Instructions
Send each move to the track where the sign holds or the track where it flips.

Explanation

_Source: syllabus Mathematics, Chapter 6, Linear Inequalities._
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