73u Puse Hangers to Understand Equation Solving
Here are some balanced hangers where each piece is labeled with its weight. For each
diagram:
1. Write an equation.
2. Explain how to figure out the weight of a piece labeled with a letter by reasoning
about the diagram.
3. Explain how to figure out the weight of a piece labeled with a letter by reasoning
about the equation.
B.
С C
А
16.8
31

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