7k-9=278

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Solution for 7k-9=278 equation: 



7k-9=278

We move all terms to the left:

7k-9-(278)=0

We add all the numbers together, and all the variables

7k-287=0

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

7k=287

k=287/7

k=41

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