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Phổ biến Word Problems >

For two consecutive integers, the sum of the smaller and twice the larger is 29. Find the smaller integer.

Lời Giải

F or tw o co n sec u t i v e in t e g ers, t h e s u m o f t h e s ma ll er an d tw i ce t h e l a r g er i s 29. F in d t h e s ma ll er in t e g er .

Lời Giải

The smallest number : 9

Các bước giải pháp

Represent the numbers with

x

:

First number : x

Consecutive number : x + 1

A.T.Q.:

x + 2 (x + 1) = 29

Giải

x + 2 (x + 1) = 29 : x = 9

x + 1 = 9 + 1 = 10

Select the smallest solution:

9

The smallest number : 9

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