12-2k=9(k+5)

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Solution for 12-2k=9(k+5) equation: 



12-2k=9(k+5)

We move all terms to the left:

12-2k-(9(k+5))=0



We calculate terms in parentheses: -(9(k+5)), so:

9(k+5)

We multiply parentheses

9k+45

Back to the equation:

-(9k+45)



We get rid of parentheses

-2k-9k-45+12=0

We add all the numbers together, and all the variables

-11k-33=0

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

-11k=33

k=33/-11

k=-3

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