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What is ,- 7 ≤ 2a + 7 ≤ 23
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What is ,- 7 ≤ 2a + 7 ≤ 23

User DonBecker
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2 Answers

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To solve a compound inequality, separate it into two inequalities-
2a + 7>-7
2a +7<23

Solve the inequality-
a>-7
a<8

Find the intersection-
a ∈[-7,8]
User NickBelhomme
by
7.3k points
4 votes

Answer:

−7≤a≤8

Explanation:

Here's a quick step by step hope this helps!

What is ,- 7 ≤ 2a + 7 ≤ 23-example-1
User Kasmira
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