Question 1014718
Let the numbers be {{{N-2}}},{{{N}}}, and {{{N+2}}}.
Then,
{{{N-2+N=N+2+20}}}
{{{2N-2=N+22}}}
{{{N=24}}}
So the numbers are 22,24, and 26.
.
.

Verifying,
{{{22+24=26+20}}}
{{{46=46}}}
True, good solution.