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受欢迎的 Word Problems >

the sum of three consecutive even integers is-414. find the three integers

解答

t h e s u m o f t h ree co n sec u t i v e e v e n in t e g ers i s - 414. f in d t h e t h ree in t e g ers

解答

The numbers : - 140, - 138, - 136

求解步骤

Represent the numbers with

x

:

First number : x

Consecutive number 1 : x + 2

Consecutive number 2 : x + 4

A.T.Q.:

x + x + 2 + x + 4 = - 414

解

x + x + 2 + x + 4 = - 414 : x = - 140

x + 2 = - 140 + 2 = - 138

x + 4 = - 140 + 4 = - 136

The numbers : - 140, - 138, - 136

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