-9+7=10k

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Solution for -9+7=10k equation: 



-9+7=10k

We move all terms to the left:

-9+7-(10k)=0

We add all the numbers together, and all the variables

-10k-2=0

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

-10k=2

k=2/-10

k=-1/5

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