Question 854678
1.{{{A + B = 216}}} 
2.{{{A - B = 38 }}}
Add the equations together,
{{{A+B+A-B=216+38}}}
{{{2A=254}}}
{{{A=127}}}
Then use either equation to solve for {{{B}}}
{{{127+B=216}}}
{{{B=89}}}