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प्रश्न
Find x, such that: `3/7 = "x"/-35`
योग
उत्तर
`7/-4 = "x"/8`
`=> (3 xx -5)/(7 xx - 5) = "x"/-35`
`=> (-15)/-35 = "x"/-35`
⇒ x = - 15
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