Question 1090271
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0 <= 3p+6 < 18.


Subtract 6 from all compounds of the inequality. You will get an equivalent compound inequality


-6 <= 3p < 12.


Next, divide all compounds of the last compound inequality by 3. You will get

- 2 <= p < 4.


It is your answer.


Below is the graph.



---O------[======|======|======|======|======|======)------o---
  -3     -2     -1      0      1      2      3      4      5

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