Question

three consecutive integers add up to 51 . what are these integers

Answer 1

x+x+1+x+2=51
3x+3=51
3x=48
x=16
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Answer 2

let the 1st integer be x
these integers are consecutive (example 16,17,18.they are in order)
2nd integer =x+1
3rd integer=x+2
their sum is 51

therefore,


(x)+(x+1)+(x+2)=51
x+x+1+x+2=51
3x+3=51
3x=51-3
3x=48
$x = \frac{48}{3}$
x=16

therefore,
1st integer=x= 16
2nd integer=x+1=16+1 =17
3rd integer=x+2=16+2 =18

the integers are 16,17 and 18.