Question 1200333
{{{P=2L+2W}}}


Solving for L

(1) Additive Inverse Property
(2) Multiplicative Inverse Property
(3) DONE
- - -
That can mean,
(1) {{{P-2W=2L}}}
(2) {{{(P-2W)/2=L}}}
{{{L=(P-2W)/2}}}