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Phổ biến Word Problems >

find three consecutive odd integers whose sum is-66

Lời Giải

f in d t h ree co n sec u t i v e o dd in t e g ers w h ose s u m i s - 66

Lời Giải

Kh \overset{o}{^} ng c \overset{o}{ˊ} nghi ệ m

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 = - 66

Giải

x + x + 2 + x + 4 = - 66 : x = - 24

x + 2 = - 24 + 2 = - 22

x + 4 = - 24 + 4 = - 20

Even value

- 24

discarded

Kh \overset{o}{^} ng c \overset{o}{ˊ} nghi ệ m

Ví dụ phổ biến

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