Question 1032637
{{{ x = (1/2)*y }}}
{{{ x + y = 3 }}}
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By substitution:
{{{ (1/2)*y + y = 3 }}}
{{{ (3/2)*y = 3 }}}
{{{ y = (2/3)*3 }}}
{{{ y = 2 }}}
and 
{{{ x = (1/2)*y }}}
{{{ x = (1/2)*2 }}}
{{{ x = 1 }}}
The numbers are 1 and 2