The length of a rectangle is 4m less than three times the breadth of the rectangle. Express the breadth in terms of length.
Let L and B be length and breadth of the rectangle respectively.
Given L = 3B-4.
B = L+43
The perimeter of a rectangle is 40 m . The length of the rectangle is 4m less than 5 times it's breadth . Find the length of the rectangle .