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प्रश्न
Solve for x: 5x - 9 ≤ 15 - 7x , x ∈ W
उत्तर
5x - 9 ≤ 15 - 7x
5x + 7x ≤ 15 + 9
12 x ≤ 24
x ≤ 2
Solution set= {0, 1,2}
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