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人気のある >

Find two consecutive odd numbers such that the sum of the larger number and twice the smaller number is 27 less than four times the smaller number.

解

Find two consecutive odd numbers such that the sum of the larger number and twice the smaller number is 27 less than four times the smaller number.

解

The numbers : 29, 31

解答ステップ

Represent the numbers with

x

:

First number : x

Consecutive number : x + 2

A.T.Q.:

x + 2 + 2 x = 4 x - 27

解く

x + 2 + 2 x = 4 x - 27 : x = 29

x + 2 = 29 + 2 = 31

The numbers : 29, 31

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