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Find X, Such That: 3/7 = "X"/-35 - Mathematics

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Question

Find x, such that: `3/7 = "x"/-35`

Sum

Solution

`7/-4 = "x"/8`

`=> (3 xx -5)/(7 xx - 5) = "x"/-35`

`=> (-15)/-35 = "x"/-35`

⇒ x = - 15

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Concept for Problem Solving Using Operations on Rational Numbers
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Chapter 2: Rational Numbers - Exercise 2 (A)

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Selina Concise Mathematics [English] Class 7 ICSE
Chapter 2 Rational Numbers
Exercise 2 (A) | Q 12.3
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