Answer:
There is no context of this problem so I will try my best
It should be W=(P-2L)/2 or
Step-by-step explanation:
P=2L+2W
P-2L=2W
[tex]\frac{P-2L}{2}[/tex]=W
To simplify it further,
[tex]\frac{P}{2} - L[/tex] = W