Question 1127564
x, Jean
y, Jessica


{{{system(x+y=29,x-7=2(y-7))}}}


{{{29-y-7=2y-14}}}

{{{22-y=2y-14}}}

{{{22+14=3y}}}

{{{3y=36}}}

{{{highlight(y=12)}}}------Jessica
-
{{{highlight(17)}}}--------Jean