-13k=-k-9(k-3)

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Solution for -13k=-k-9(k-3) equation: 



-13k=-k-9(k-3)

We move all terms to the left:

-13k-(-k-9(k-3))=0



We calculate terms in parentheses: -(-k-9(k-3)), so:

-k-9(k-3)

We add all the numbers together, and all the variables

-1k-9(k-3)

We multiply parentheses

-1k-9k+27

We add all the numbers together, and all the variables

-10k+27

Back to the equation:

-(-10k+27)



We get rid of parentheses

-13k+10k-27=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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