Question 1174097
b, Ben
m, Mother
{{{system(m-b=22,m+5=3(b+5))}}}


{{{m=b+22}}}
-
{{{b+22+5=3b+15}}}
{{{22+5=2b+15}}}
{{{22=2b+10}}}
{{{11=b+5}}}
-
{{{highlight(b=6)}}}
{{{and}}}
{{{highlight(m=28)}}}