-7+7k=-7(1-1)

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Solution for -7+7k=-7(1-1) equation: 



-7+7k=-7(1-1)

We move all terms to the left:

-7+7k-(-7(1-1))=0

We add all the numbers together, and all the variables

7k-7-(-70)=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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