-k+7k=18

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Solution for -k+7k=18 equation: 



-k+7k=18

We move all terms to the left:

-k+7k-(18)=0

We add all the numbers together, and all the variables

6k-18=0

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

6k=18

k=18/6

k=3

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