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Free Space Algebra

I took a study stack and wrote down questions with the answers included.

QuestionAnswer
-12>x-7 (-5, ∞ )
-1+r is greater than or equal to 4 [5, ∞ ]
-3x>3 (-∞ ,-1)
n divided by 3>3 (∞ ,9)
Created by: fab528702
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