
Ignacio C. answered 08/18/22
Tutor
4.4
(11)
PhD Economics and Econometrics with +10 years of teaching experience
You want to find 'x', and you know it satisfies:
x + (x+1) + (x+2) = 111
The above can be rewritten as:
3*x + 3 = 111
So we can solve for 'x' to get:
x = 108/3 = 36