Question

Please help!
P = 2(l+ w) for l​

Answer 1

`\large\boxed{l=(P-2w)/(2)}`

Explanation:

`P=2(l+w)\qquad\text{use the distributive property}\ a(b+c)=ab+ac\\\\P=2l+2w\qquad\text{subtract}\ 2w\ \text{from both sides}\\\\P-2w=2l\qquad\text{divide both sides by 2}\\\\(P-2w)/(2)=l`