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Phổ biến Word Problems >

the sum of three consecutive odd integers is-315. Find the three integers.

Lời Giải

t h e s u m o f t h ree co n sec u t i v e o dd in t e g ers i s - 315. F in d t h e t h ree in t e g ers .

Lời Giải

The numbers : - 107, - 105, - 103

Các bước giải pháp

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 = - 315

Giải

x + x + 2 + x + 4 = - 315 : x = - 107

x + 2 = - 107 + 2 = - 105

x + 4 = - 107 + 4 = - 103

The numbers : - 107, - 105, - 103

Ví dụ phổ biến

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