Answer:
W = P/2 - L
Step-by-step explanation:
Solve for W:
P = 2 L + 2 W
P = 2 L + 2 W is equivalent to 2 L + 2 W = P:
2 L + 2 W = P
Subtract 2 L from both sides:
2 W = P - 2 L
Divide both sides by 2:
Answer: W = P/2 - L