What ordered pairs are a solution to the equation: y = 2x - 3 select all that apply(4, 2)(1, -1)(-1, -7)(2, 1)

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