26linemanr 26linemanr 16-12-2021 Mathematics contestada Which of the following systems of equations is an example of one where substitution is the best method? A.) x = 4 y = 11 B.) y = 2/7x + 11 3x - 4y = -24 C.) 5x + 3y = 15 -3x = 6y = 12 D.) 4x - 5y = 20 -6x + 2y = -42
