Darnell solved the following system by linear combination 14x - 5y = -7 17x - 3y = 5 After multiplying each equation by a factor and adding the new equations together. Darnell solved the equation -23x = -46. By what factors did Darnell multiply the two equations? A. First equation by 3; second equation by -5 B. First equation by 3, second equation by 5 C. First equation by 7: second equation by - 4 D. First equation by 7, second equation by 4