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19 < 4x-9 ≤ 31 Help
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19 < 4x-9 ≤ 31

Help

User Robbycandra
by
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1 Answer

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Answer: 14 < x ≤ 20

Explanation:

19 < 2x-9 ≤ 31

+9 +9 +9

28 < 2x ≤ 40

/2 /2 /2

14 < x ≤ 20

User Sehugg
by
4.3k points
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