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受欢迎的 Word Problems >

One number is seven more than six times another number. If the sum of the numbers is 21, find the numbers.

解答

O n e n u mb er i s se v e n m ore t han s i x t im es an o t h er n u mb er . I f t h e s u m o f t h e n u mb ers i s 21, f in d t h e n u mb ers .

解答

The numbers : 19, 2

求解步骤

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x = 7 + 6 y

x + y = 21

x = 7 + 6 y, x + y = 21 : x = 19, y = 2

The numbers : 19, 2

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