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Mr. Rochester Algebra1B Class Blog
SLA Rockets.........Class of 2011
Tuesday, December 18, 2007
Reversing Operations
The way to change addition into subtraction is subtract a negative instead of adding the positive.
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Subtracting Positive and Negative Integers
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example: 4 - 3 = 1 to change that into a addition ...
example: 4 - 3 = 1 to change that into a addition ...
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Reversing Operations
Commutative Property of Addition
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