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Solve 3 < 2x + 1 ≤9 I’m so confused

Solve 3 < 2x + 1 ≤9 I’m so confused
asked 95.0k views
2 votes
Solve 3 < 2x + 1 ≤9 I’m so confused

asked
User Dasup
by
8.7k points

1 Answer

7 votes

Answer:

1 < x ≤4

Explanation:

3 < 2x + 1 ≤9

Solve for x

Subtract 1 from all sides

3-1 < 2x + 1-1 ≤9-1

2 < 2x ≤8

Divide by 2

2/2 < 2x/2 ≤8/2

1 < x ≤4

answered
User Tiefenauer
by
8.5k points
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