Question 964886
{{{T=O+2}}}
{{{O=T-2}}}
.
.

{{{T=H-4}}}
{{{H=T+4}}}
.
.
{{{H+T+O=6}}}
Substitute,
{{{T+4+T+T-2=6}}}
{{{3T=4}}}
{{{T=4/3}}}
However the solution should be an integer.
Check the problem setup and repost.