-9-3k=-k+7

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Solution for -9-3k=-k+7 equation: 



-9-3k=-k+7

We move all terms to the left:

-9-3k-(-k+7)=0

We add all the numbers together, and all the variables

-3k-(-1k+7)-9=0

We get rid of parentheses

-3k+1k-7-9=0

We add all the numbers together, and all the variables

-2k-16=0

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

-2k=16

k=16/-2

k=-8

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