dannie122810
dannie122810
27-01-2015
Mathematics
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Solve for k 7(9+k)=84
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naǫ
naǫ
27-01-2015
[tex]7(9+k)=84 \ \ \ |\div 7 \\ 9+k=12 \ \ \ |-9 \\ k=3[/tex]
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konrad509
konrad509
27-01-2015
[tex]7(9+k)=84\\ 63+7k=84\\ 7k=21\\ k=3[/tex]
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