7k-35=-3(-7k+7)

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Solution for 7k-35=-3(-7k+7) equation: 



7k-35=-3(-7k+7)

We move all terms to the left:

7k-35-(-3(-7k+7))=0



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

-3(-7k+7)

We multiply parentheses

21k-21

Back to the equation:

-(21k-21)



We get rid of parentheses

7k-21k+21-35=0

We add all the numbers together, and all the variables

-14k-14=0

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

-14k=14

k=14/-14

k=-1

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