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4 votes
Solve 2 ≤ 2x + 4 < 10 for x.

–1 ≤ x < 3
1 < x < 3
–1 < x < 3
1 ≤ x < 3

User Ihammys
by
6.9k points

1 Answer

5 votes

Answer:

-1 ≤ x < 3

Explanation:

2 ≤ 2x + 4 < 10

Subtract 4 from all sides

2-4 ≤ 2x + 4-4 < 10-4

-2 ≤ 2x < 6

Divide all sides by 2

-2/2 ≤ 2x/2 < 6/2

-1 ≤ x < 3

User Vassily
by
6.8k points
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