Question

Three consecutive numbers integers add upto51 what are these integers?

Answer 1

let x,x+1,x+2be the no.s
x+x+1+2+x=3x+3=51
3(x+1)=3(17)
x+1=17
x=16

the no.s are -16,17,18

Answer 2

Let the no x,x+1,,x+2
x+x+1,x+2=51
3x+3=51
3x=51-3
3x=48
x=48/3
x=16
x+1=17
x+2=18