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    4. simplify -12 + 6 - 10 - 6 + 15
    simplify -12 + 6 - 10 - 6 + 15

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    0  Views: 579 Answers: 1 Posted: 14 years ago
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      1 Answer

      Adding and subtracting positive and negative numbers. 


             -12 + 6 - 10 - 6 + 15


      -12 + -10 + -6  =  -28


      6 + 15  =  21


      Subtract:


      -28 + 21  =  -7


      Answer:  -7


      Note:  Be careful and pay attention to the signs!

      14 years ago. Rating: 4
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        clu

        A
        commented 14 years ago


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