Solve for x: ? 8x + 4 + 2x = ? 10x + 24 a) x = 5 b) x = ? 8 c) x = 3 d) x = 0

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