-3(1-3k)=-3(1+7k)

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Solution for -3(1-3k)=-3(1+7k) equation: 



-3(1-3k)=-3(1+7k)

We move all terms to the left:

-3(1-3k)-(-3(1+7k))=0

We add all the numbers together, and all the variables

-3(-3k+1)-(-3(7k+1))=0

We multiply parentheses

9k-(-3(7k+1))-3=0



We calculate terms in parentheses: -(-3(7k+1)), so:

-3(7k+1)

We multiply parentheses

-21k-3

Back to the equation:

-(-21k-3)



We get rid of parentheses

9k+21k+3-3=0

We add all the numbers together, and all the variables

30k=0

k=0/30

k=0

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