हिंदी

Two times a number increased by 5 equals 9. Find the number.

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प्रश्न

Two times a number increased by 5 equals 9. Find the number.

योग
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उत्तर

Let the number be x.

It is given that two times this number increased by 5 equals 9.

∴ 2x + 5 = 9

⇒ 2x = 9 – 5

⇒ 2x = 4

⇒ x = 2   ...[Dividing both sides by 2]

Hence, the required number is 2.

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अध्याय 4: Simple Equations - Exercise [पृष्ठ ११३]

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एनसीईआरटी एक्झांप्लर Mathematics Exemplar Class 7
अध्याय 4 Simple Equations
Exercise | Q 74. | पृष्ठ ११३

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