Question 841091
1.{{{W+S=36}}}
Six years from now, she will be {{{W+6}}} and the son will be {{{S+6}}}
{{{W+6=2(S+6)}}}
{{{W+6=2S+12}}}
2.{{{W=2S+6}}}
Substitute into eq. 1,
{{{2S+6+S=36}}}
{{{3S=30}}}
{{{S=10}}}
Then,
{{{W=2(10)+6}}}
{{{W=26}}}