algebra

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name the property that justifies (-2.6) +7 = 7+(-2.6)

  • algebra -

    Commutative Property (think commute or move around)is the one that refers to moving stuff around.

    For addition, the rule is a + b = b + a

    From purplemath dot com

  • algebra -

    what property of real numbers justifies 7+(3+2x)=(7+3)+2x ?

  • algebra -

    comm. property of addition

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