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I need help on how to answer it and the solution

I need help on how to answer it and the solution
asked 219k views
2 votes
I need help on how to answer it and the solution

I need help on how to answer it and the solution-example-1
asked
User Florian Schaetz
by
8.6k points

1 Answer

7 votes

6 < x+7 < 8

Subtract 7

6-7 < x+7-7 < 8-7

-1 < x < 1

Since the endpoints are not included, the correct graph is B.

answered
User Dimitris Makris
by
7.5k points
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