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प्रश्न
If x ∈ N, find the solution set of inequations.
5x + 3 ≤ 2x + 18
उत्तर
5x + 3 ≤ 2x + 18
5x – 2x ≤ 18 – 3
3x ≤ 15
x ≤ 5
Since, x ∈ N, therefore solution set is {1, 2, 3, 4, 5}.
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