12+5k=-9(k-9)

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Solution for 12+5k=-9(k-9) equation: 



12+5k=-9(k-9)

We move all terms to the left:

12+5k-(-9(k-9))=0



We calculate terms in parentheses: -(-9(k-9)), so:

-9(k-9)

We multiply parentheses

-9k+81

Back to the equation:

-(-9k+81)



We get rid of parentheses

5k+9k-81+12=0

We add all the numbers together, and all the variables

14k-69=0

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

14k=69

k=69/14

k=4+13/14

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