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प्रश्न
Solve for x : 2x + 7 ≥ 5x - 14, where x is a positive prime number.
उत्तर
2x + 7 ≥ 5x - 14
2x - 5x ≥ -14 - 7
-3x ≥ -21
3x ≤ 21
x ≤ 7
Solution set = { 2,3,5,7}
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