3k-9=9k+3

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



3k-9=9k+3

We move all terms to the left:

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

We get rid of parentheses

3k-9k-3-9=0

We add all the numbers together, and all the variables

-6k-12=0

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

-6k=12

k=12/-6

k=-2

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