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प्रश्न
If 5x – 3 ≤ 5 + 3x ≤ 4x + 2, express it as a ≤ x ≤ b and then state the values of a and b.
उत्तर
5x – 3 ≤ 5 + 3x ≤ 4x + 2
5x – 3 ≤ 5 + 3x and 5 + 3x ≤ 4x + 2
2x ≤ 8 and – x ≤ – 3
x ≤ 4 and x ≥ 3
Thus, 3 ≤ x ≤ 4
Hence, a = 3 and b = 4
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