-28+6k=6k+7(-k-1)

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Solution for -28+6k=6k+7(-k-1) equation: 



-28+6k=6k+7(-k-1)

We move all terms to the left:

-28+6k-(6k+7(-k-1))=0

We add all the numbers together, and all the variables

6k-(6k+7(-1k-1))-28=0



We calculate terms in parentheses: -(6k+7(-1k-1)), so:

6k+7(-1k-1)

We multiply parentheses

6k-7k-7

We add all the numbers together, and all the variables

-1k-7

Back to the equation:

-(-1k-7)



We get rid of parentheses

6k+1k+7-28=0

We add all the numbers together, and all the variables

7k-21=0

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

7k=21

k=21/7

k=3

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