3-7k=66

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Solution for 3-7k=66 equation: 



3-7k=66

We move all terms to the left:

3-7k-(66)=0

We add all the numbers together, and all the variables

-7k-63=0

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

-7k=63

k=63/-7

k=-9

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