Question

The sum of three consecutive number is eighty four. What is the smallest of three numbers

Answer 1

x+x+1+x+2=84
3x+3=84
3x=81
x=81/3
x=27
x+1=28
x+2=29
the smallest number is 27

Answer 2

let the numbers be x, x+1, x+2
x+x+1+x+2=84
3x+3=84
3(x+1)=84
x+1=84/3
x+1=28
x=28-1
x=27