The length of a rectangle is 4 units less than twice the width. what is the length if the area of the rectangle is 160 square units? enter your answer as a number, like this: 42do not enter any units.

Problem number 26 of the rhind papyrus says: find a quantity such that when it is added to of itself the result is a 15. the modern day equation that models this problem is x + x = 15. what is the solution to the equation? x = 10 x = 12 x = 15 x = 30