-9-k=-2k

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Solution for -9-k=-2k equation: 



-9-k=-2k

We move all terms to the left:

-9-k-(-2k)=0

We add all the numbers together, and all the variables

-1k-(-2k)-9=0

We get rid of parentheses

-1k+2k-9=0

We add all the numbers together, and all the variables

k-9=0

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

k=9

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