Seven times a number less than thirteen times of the same number. find the number.
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- Let x be the number
- Hence, seven times of the number =7x
- Thirteen times of the number =13x
⇒7x=13x−12
⇒ 12=13x−7x
⇒ 6x=12
⇒ x= 612
⇒ x=2
Therefore, the required number is r−2.
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