Question 1123011
"consecutive integers",   n-1, n, n+1


"the result is the first and third."------Do you mean, "the sum of"?


{{{147-n=(n-1)+(n+1)}}}
-
{{{147-n=2n}}}
{{{147=3n}}}
{{{highlight(n=49)}}}


The Consecutive Integers:
48, 49, 50.