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受欢迎的 Word Problems >

the sum of three consecutive even integers is-258. 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 - 258. f in d t h e t h ree in t e g ers

解答

The numbers : - 88, - 86, - 84

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 = - 258

解

x + x + 2 + x + 4 = - 258 : x = - 88

x + 2 = - 88 + 2 = - 86

x + 4 = - 88 + 4 = - 84

The numbers : - 88, - 86, - 84

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