CAMPANILLA, Norveen. Integrating Variable to Enhance Problem-Solving Skills of Grade 7 Students in Linear Equations and Inequalities. International Multidisciplinary Journal of Research for Innovation, Sustainability, and Excellence (IMJRISE), [S. l.], v. 1, n. 12, p. 190–197, 2024. Disponível em: https://risejournals.org/index.php/imjrise/article/view/893. Acesso em: 25 aug. 2026.