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Subtract 2 from the inequality. Then it becomes obvious that the 3rd selection is appropriate.

_____
-3 ≤ n ≤ 4
User Uche Ozoemena
by
7.5k points
4 votes
Hey there!

Add
2 to your sides

Like:
-1 + -2 \leq n +2 + -2 \leq 6 + -2 \\ Answer: -3 \leq n \leq 4 (C)

Good luck on your assignment and enjoy your day!

~
LoveYourselfFirst:)
User Dirk Einecke
by
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