Question 951395
{{{X=137+Z}}}
{{{Y=119+Z}}}
{{{X+Y+Z=9772}}}
Substituting,
{{{137+Z+119+Z+Z=9772}}}
{{{3Z=9516}}}
{{{Z=3172}}}
Then,
{{{X=137+3172}}}
{{{X=3309}}}
and
{{{Y=119+3172}}}
{{{Y=3291}}}