Question 318594
p=92
p=2(L+W)
{{{92=2(L+W)}}} = {{{46=(L+W)}}}
{{{140=2((L+12)+(2W))}}} = {{{70=((L+12)+(2W))}}} = {{{58=L+2W}}}
<p>
{{{58=L+2W}}}i will use the subtraction property of elimination method
{{{46=L+W}}} 
{{{12=0+W}}}
{{{12=W}}}
<p>
{{{46=L+W}}}
{{{46=L+12}}}
{{{34=L}}}
<p>
Checking
{{{140=2(((34)+12)+(2(12)))}}}
{{{140=2((46)+(24))}}}
{{{140=2(70)}}}
{{{140=140}}}
correct