मराठी

9 added to twice a number gives 13. Find the number.

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प्रश्न

9 added to twice a number gives 13. Find the number.

बेरीज
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उत्तर

Let the required number be x.

It is given that 9 added to twice this number gives 13.

∴ 2x + 9 = 13

⇒ 2x = 13 – 9  ...[Transposing 9 to RHS]

⇒ 2x = 4

⇒ `(2x)/2 = 4/2`  ...[Dividing both sides by 2]

⇒ x = 2

Hence, the required number is 2.

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पाठ 4: Simple Equations - Exercise [पृष्ठ ११३]

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एनसीईआरटी एक्झांप्लर Mathematics Exemplar Class 7
पाठ 4 Simple Equations
Exercise | Q 75. | पृष्ठ ११३

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