asjfshjegssasfawfsjd asjfshjegssasfawfsjd 08-05-2020 Mathematics contestada Which algebraic expression is equivalent to the expression below? (4x + 12) + 9x A. (4x + 12x) + 9 B. 25x C. (4x + 9x) + 12 D. (4x - 9x) + 12