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प्रश्न
Solve and graph the solution set of:
2x – 9 < 7 and 3x + 9 ≤ 25, x ∈ R
आलेख
बेरीज
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उत्तर
2x – 9 < 7 and 3x + 9 ≤ 25
2x < 16 and 3x ≤ 16
x < 8 and x ≤ `5 1/3`
∴ Solution set = `{x <= 5 1/3, x ∈ R}`
The required graph on number line is
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