18-01-2017
Mathematics

contestada

9 = 4(3k - 4) - 7k solve the equation

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Apocrophon Apocrophon

18-01-2017

[tex]9=4(3k-4)-7k\\ 9=12k-16-7k\\ 9+16=12k-7k\\ 25=5k\\ k=5[/tex]

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fedesuarezr fedesuarezr

18-01-2017

9=12k-16-7k
25=9K
k=5
1) Break the brackets.
2) Combine like terms.
3)isolate variable.
4)solve for the variable

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