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Equations. a balancing act. equal signs. are like scales. and they fall apart. unbalance them. inverse operations: operations that “undo” each other. addition undoes subtraction. inverse operations: operations that “undo” each other. subtraction undoes addition. inverse operations:
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Equations a balancing act
equal signs are like scales and they fall apart unbalance them
inverse operations: operations that “undo” each other. addition undoes subtraction
inverse operations: operations that “undo” each other. subtraction undoes addition
inverse operations: operations that “undo” each other. multiplication undoes division
inverse operations: operations that “undo” each other. division undoes multiplication
5 steps to undo subtraction 1. Bring down equal sign 2. Add a number to both sides 3. Draw a line
5 steps to undo subtraction 4. Bring down the variable and the equal sign. 5. Do the math problem.
5 steps to undo addition 1. Bring down equal sign 2. Subtract a number from both sides 3. Draw a line
5 steps to undo addition 4. Bring down the variable and the equal sign. 5. Do the math problem.