9k+12=6k-15

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Solution for 9k+12=6k-15 equation: 



9k+12=6k-15

We move all terms to the left:

9k+12-(6k-15)=0

We get rid of parentheses

9k-6k+15+12=0

We add all the numbers together, and all the variables

3k+27=0

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

3k=-27

k=-27/3

k=-9

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