Question 1094936
{{{system(g+s=42,g+20=2(s-14))}}}

-

{{{g+20=2s-28}}}
{{{g=2s-48}}}
{{{g=2(42-g)-48}}}
{{{g=84-2g-48}}}
{{{3g=84-48}}}
{{{3g=36}}}
{{{g=12}}}-----Greg
{{{s=30}}}-----Sarah