Question 1065641
{{{L=W+12}}}
.
.
.
{{{(L-2)(W-2)=LW-120}}}
{{{LW-2L-2W+4=LW-120}}}
{{{2L+2W=124}}}
{{{L+W=62}}}
Substituting,
{{{W+12+W=62}}}
{{{2W=50}}}
{{{W=25}}}
So then,
{{{L=25+12}}}
{{{L=37}}}