Respuesta :
solve for l.
p=2(l+w)
Flip the equation.
2l+2w=p
Add -2w to both sides.
2l+2w+−2w=p+−2w
2l=p−2w
Divide both sides by 2.
2l/2=p−2w/2
l=1/2p−w
p=2(l+w)
Flip the equation.
2l+2w=p
Add -2w to both sides.
2l+2w+−2w=p+−2w
2l=p−2w
Divide both sides by 2.
2l/2=p−2w/2
l=1/2p−w