AEquitas sequitur legem. York v. Trigg, 87 Okla. 214, 209 P. 417, 425 (1922); Phelan v. Roberts, 182 Okla. 202, 77 P.2d 9, 12 (1938); Roberts v. Canning, Okla., 455 P.2d 302 syllabus 3 (1969). In York v. Trigg, supra note 9, 209 P. at 425, the court applied the maxim AEquitas sequitur legem (equity follows the law), but observed that a court of equity can change the terms of a contract upon equitable grounds of fraud, accident or mistake.