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Popolare >

the sum of three consecutive integers is 60. find the integers.

Soluzione

the sum of three consecutive integers is 60. find the integers.

Soluzione

The numbers : 19, 20, 21

Fasi della soluzione

Represent the numbers with

x

:

First number : x

Consecutive number 1 : x + 1

Consecutive number 2 : x + 2

A.T.Q.:

x + x + 1 + x + 2 = 60

Risolvi

x + x + 1 + x + 2 = 60 : x = 19

x + 1 = 19 + 1 = 20

x + 2 = 19 + 2 = 21

The numbers : 19, 20, 21

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