These are sample practice MCQs created for exam preparation. These are NOT official exam questions.
If -3 < 2x + 1 < 7, what is the range of possible values for x?
Question:
If -3 < 2x + 1 < 7, what is the range of possible values for x?
If -3 < 2x + 1 < 7, what is the range of possible values for x?
Options
Answer: (A) -2 < x < 3
Explanation:
Solving -3 < 2x + 1: -4 < 2x, so x > -2. Solving 2x + 1 < 7: 2x < 6, so x < 3. Combined: -2 < x < 3.
Explanation:
Solving -3 < 2x + 1: -4 < 2x, so x > -2. Solving 2x + 1 < 7: 2x < 6, so x < 3. Combined: -2 < x < 3.
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