k=2k+9

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Solution for k=2k+9 equation: 



k=2k+9

We move all terms to the left:

k-(2k+9)=0

We get rid of parentheses

k-2k-9=0

We add all the numbers together, and all the variables

-1k-9=0

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

-k=9

k=9/-1

k=-9

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