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人気のある >

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

解

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

解

The smallest number : 9

解答ステップ

Represent the numbers with

x

:

First number : x

Consecutive number : x + 1

A.T.Q.:

x + 2 (x + 1) = 29

解く

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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