7k-5k-2k+k=9

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Solution for 7k-5k-2k+k=9 equation: 



7k-5k-2k+k=9

We move all terms to the left:

7k-5k-2k+k-(9)=0

We add all the numbers together, and all the variables

k-9=0

We move all terms containing k to the left, all other terms to the right

k=9

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