Step-by-step explanation: I have 2 equations I go by you can pick one it's just what people feel like doing So 1. is you could answer the problem as is it would be closed circle going 4 units to the right, 2. is I solve it which would be open circle 3 units going left
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<-|∅<------|<------|<-----|⊕------|-----|------|->: That would be the equation if you'd like I can simplify it into an integer,