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受欢迎的 Word Problems >

the product of a number and 6 less than the number is 72. find the number

解答

t h e p ro d u c t o f a n u mb er an d 6 l ess t han t h e n u mb er i s 72. f in d t h e n u mb er

解答

The number : 12 or - 6

求解步骤

Represent the number with

x

A.T.Q.:

x (x - 6) = 72

求解

x, x (x - 6) = 72 : x = 12, x = - 6

The number : 12 or - 6

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