MATRIX REDUCTION BY CROSS-MULTIPLICATION AS ALTERNATIVE METHOD OF MATRIX INVERSION AND SOLVING SYSTEMS OF LINEAR EQUATIONS. JP Journal of Algebra, Number Theory and Applications, [S. l.], v. 64, n. 6, p. 639–670, 2025. DOI: 10.17654/0972555525034. Disponível em: https://pphmjopenaccess.com/jpjana/article/view/3357. Acesso em: 5 jan. 2026.