Question

The perimeter of a rectangle is 16x-6 if the length is 5x 2 what is the width

Answer 1

p=2(l+w)
p=16x-6=-96
l=5x2=10
-96=2(10+w)
-96=20+2w
collect the like terms -96-20=2w
-116=2w divide both sides by 2
w=-58