9=3(k+4)

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Solution for 9=3(k+4) equation: 



9=3(k+4)

We move all terms to the left:

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



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

3(k+4)

We multiply parentheses

3k+12

Back to the equation:

-(3k+12)



We get rid of parentheses

-3k-12+9=0

We add all the numbers together, and all the variables

-3k-3=0

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

-3k=3

k=3/-3

k=-1

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