-3k-3(7k+7)=5(3-3k)

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Solution for -3k-3(7k+7)=5(3-3k) equation: 



-3k-3(7k+7)=5(3-3k)

We move all terms to the left:

-3k-3(7k+7)-(5(3-3k))=0

We add all the numbers together, and all the variables

-3k-3(7k+7)-(5(-3k+3))=0

We multiply parentheses

-3k-21k-(5(-3k+3))-21=0



We calculate terms in parentheses: -(5(-3k+3)), so:

5(-3k+3)

We multiply parentheses

-15k+15

Back to the equation:

-(-15k+15)



We add all the numbers together, and all the variables

-24k-(-15k+15)-21=0

We get rid of parentheses

-24k+15k-15-21=0

We add all the numbers together, and all the variables

-9k-36=0

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

-9k=36

k=36/-9

k=-4

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