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NCERT Class XI Mathematics - Linear Inequalities - Solutions
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Question : 20 of 65
Marks:
+1,
-0
≥
Solution:
The inequality is ≥ Multiply each term by L.C.M. of 2, 3, 5, i.e., by 30 × 30 ≥ × 30 or, 15x ≥ 10(5x – 2) – 6(7x – 3) or, 15x ≥ 50x – 20 – 42x + 18 or, 15x – 8x ≥ –2 or, 7x ≥ –2 Dividing both sides by 7, x ≥ −
∴ The solution is

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