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How to undo the operation and explain why it works a. adding 28 b. dividing by 17
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How to undo the operation and explain why it works a. adding 28 b. dividing by 17

User Jaroslaw Pawlak
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put the operation in order to explain you
User Ishk
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a) subtracting 28, adding and subtracting are opposites
b) multiply by 17. Multiplying and dividing are opposites
User Drew Rosenberg
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Tell how to undo each operation and explain why it works. Adding 28. Dividing by 17
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