juanad2643 juanad2643

21-10-2017
Mathematics

contestada

The sum of three consecutive integers is 21. what are the three number

Respuesta :

bellebenson14 bellebenson14

21-10-2017

x+x+1+x+2=21
3x+3=21
3x=18
x=6
6+7+8=21

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