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प्रश्न
If the replacement set is the set of even natural numbers, then solve `(5x-8)/3 <= (7x+13)/5 - x/2`
बेरीज
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उत्तर
`(5x − 8)/3 ≤ (7x + 13)/5 − x/2`
Multiply both sides by 30:
50x − 80 ≤ 27x + 78
23x ≤ 158
⇒ x ≤ `158/23`
= 6.8696
x ∈ `(−∞, 158/23)`
x ≤ 6.87
Even natural numbers ≤ 6.87 are:
x = {2, 4, 6}
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