NCERT Class XI Mathematics - Linear Inequalities - Solutions
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Question : 52
Total: 65
2 ≤ 3x – 4 ≤ 5
Solution:
2 ≤ 3x – 4 ≤ 5
Adding 4, we get 2 + 4 ≤ 3x – 4 + 4 ≤ 5 + 4 or 6 ≤ 3x ≤ 9
Dividing each side by 3, 2 ≤ x ≤ 3.
Thus the solution is [2, 3].
Adding 4, we get 2 + 4 ≤ 3x – 4 + 4 ≤ 5 + 4 or 6 ≤ 3x ≤ 9
Dividing each side by 3, 2 ≤ x ≤ 3.
Thus the solution is [2, 3].
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