9=4(3k-3)-7k

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Solution for 9=4(3k-3)-7k equation: 



9=4(3k-3)-7k

We move all terms to the left:

9-(4(3k-3)-7k)=0



We calculate terms in parentheses: -(4(3k-3)-7k), so:

4(3k-3)-7k

We add all the numbers together, and all the variables

-7k+4(3k-3)

We multiply parentheses

-7k+12k-12

We add all the numbers together, and all the variables

5k-12

Back to the equation:

-(5k-12)



We get rid of parentheses

-5k+12+9=0

We add all the numbers together, and all the variables

-5k+21=0

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

-5k=-21

k=-21/-5

k=4+1/5

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