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प्रश्न
If `(-5)/7 = x/28`, find the value of x.
उत्तर
Given, `(-5)/7 = x/28`
⇒ 7 × x = –5 × 28 ......[By cross-multiplication]
⇒ x = `-(5 xx 28)/7` = –5 × 4
⇒ x = –20
Hence, the value of x is –20.
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