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Phổ biến Word Problems >

Find three consecutive even integers whose sum is negative twelve

Lời Giải

F in d t h ree co n sec u t i v e e v e n in t e g ers w h ose s u m i s n e g a t i v e tw e l v e

Lời Giải

The numbers : - 6, - 4, - 2

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 = - 12

Giải

x + x + 2 + x + 4 = - 12 : x = - 6

x + 2 = - 6 + 2 = - 4

x + 4 = - 6 + 4 = - 2

The numbers : - 6, - 4, - 2

Ví dụ phổ biến

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