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受欢迎的 Word Problems >

The product of a number and 7 less than the number is 858 . Find the numbers. Assume both numbers are positive. The numbers are and

解答

T h e p ro d u c t o f a n u mb er an d 7 l ess t han t h e n u mb er i s 858 . F in d t h e n u mb ers . A ss u m e b o t h n u mb ers a re p os i t i v e . T h e n u mb ers a re an d

解答

The number : 33 or - 26

求解步骤

Represent the number with

x

A.T.Q.:

x (x - 7) = 858

求解

x, x (x - 7) = 858 : x = 33, x = - 26

The number : 33 or - 26

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