The length of a rectangle is 3 less than 4 times the width. the perimeter is 34. find the length and width

"L = 4W - 3
P = 2L + 2W
34 = 2(4W - 3) + 2W
34 = 8W - 6 + 2W
34 + 6 = 10W
40 = 10W
W = 4
L = 4(4) - 3
L = 16 - 3
L = 13

13 by 4 are the dimension of a rectangle"