If a and b can be replaced with any whole number in the equation a+ b=19. then there is? A. exactly one value for each variable
B. an infinite number of values for each variable
C. a limited number of values for each variable

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