This math topic involves solving algebra problems using visual aids that consist of scales and shapes, fostering skills in simple substitution and deriving answers. The exercises challenge students to determine what weight will balance a scale by interpreting the relationships between different shapes shown on the scales. It is designed for students at a beginner level, forming part of an advanced unit on basic algebra concepts. Each question presents images of scales with options for possible answers, sharpening analytical thinking and understanding of algebra fundamentals.