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