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    k+(-45=-18?

    0  Views: 2437 Answers: 2 Posted: 12 years ago

    2 Answers

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

    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


     



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