l=2w+14 perimeter=88 what is length and width
I assume you are talking about a rectangle.
P = 2l + 2w
Substitute 2w+14 for l and 88 for P
88 = 2(2w+14) + 2w
88 = 4w+28+2w
88 = 6w+28
60 = 6w
w = 10
Plug w=10 into 2w+14.
l = 2*10+14 = 34