3(7k+3)=-3(k-3)

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Solution for 3(7k+3)=-3(k-3) equation: 



3(7k+3)=-3(k-3)

We move all terms to the left:

3(7k+3)-(-3(k-3))=0

We multiply parentheses

21k-(-3(k-3))+9=0



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

-3(k-3)

We multiply parentheses

-3k+9

Back to the equation:

-(-3k+9)



We get rid of parentheses

21k+3k-9+9=0

We add all the numbers together, and all the variables

24k=0

k=0/24

k=0

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