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सी.आई.एस.सी.ई.आईसीएसई ICSE Class 8

A Number Decreased by 30 is the Same as 14 Decreased by 3 Times the Number; Find the Number. - Mathematics

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प्रश्न

A number decreased by 30 is the same as 14 decreased by 3 times the number; Find the number.

योग

उत्तर

Let the required number = x

The number decreased by 30 = x – 30

14 decreased by 3 times the number = 14 – 3x

According to the statement :

x – 30 = 14 – 3x

⇒ x + 3x = 14 + 30

⇒ 4x = 44

x = 11

Required number =11

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Solving Linear Inequations
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 14: Linear Equations in one Variable - Exercise 14 (B) [पृष्ठ १६९]

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सेलिना Concise Mathematics [English] Class 8 ICSE
अध्याय 14 Linear Equations in one Variable
Exercise 14 (B) | Q 6 | पृष्ठ १६९
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