Standard #: MA.912.A.3.2 (Archived Standard)


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Identify and apply the distributive, associative, and commutative properties of real numbers and the properties of equality.


Remarks


Example 1: Simplify the following expresion and identify the properities used in each step:




example 2: given the following solution identify the properties used to justify each step:

3x+7=2x+1+3x
3x+7=2x + 3x+1
3x+7=5x+1
-2x=-6
x=3

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