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    4. k+(-45=-18?
    k+(-45=-18?

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    0  Views: 2189 Answers: 2 Posted: 11 years ago
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      2 Answers

      Might be this > http://www.wolframalpha.com/input/?i=k%2b(-45%3d-18&incTime=true

      11 years ago. Rating: 3
      Comment this answer

        k + (-45 = -18  


        k - 45 = -18


        Add +45 to both sides:


        k - 45 = -18


            +45    +45      


           k   =  27


         


        Check:


        Put 27 in place of k:


        27 - 45 = -18


            -18   =  -18


         

        11 years ago. Rating: 2
        Comment this answer



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