-84=4(3k-3)

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Solution for -84=4(3k-3) equation: 



-84=4(3k-3)

We move all terms to the left:

-84-(4(3k-3))=0



We calculate terms in parentheses: -(4(3k-3)), so:

4(3k-3)

We multiply parentheses

12k-12

Back to the equation:

-(12k-12)



We get rid of parentheses

-12k+12-84=0

We add all the numbers together, and all the variables

-12k-72=0

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

-12k=72

k=72/-12

k=-6

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