Question

Sum of three consecutive number is $39$. Find the numbers.

Answer 1

Let the numbers be $x,x+1,x+2$.

Then according to the problem we've,

$x+(x+1)+(x+2)=39$

$\Rightarrow 3x+3=39$

$\Rightarrow 3x=36$

$\Rightarrow x=12$.

So the numbers are $12,13,14$.