If the sum of three consecutive integers is subtracted from 147, the result of the first and third what are these integers

Question

If the sum of three consecutive integers is subtracted from 147, the result is the sum of the first and third what are the integers

Answer 1

first number =n

second number =n+1

third number =n+2

 

sum of three number = n+n+1+n+2 =3n+3

 

sum of first and third number = n+n+2 =2n+2

 

 147 -(3n+3) = 2n+2

 

147 -3n -3 =2n+2

 

147 -3-2 = 2n+3n

 

147 - 5  = 5n

142 =5n

n= 28.4

28.4 is  not integer 

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