28-3k=7(-7k-4)

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Solution for 28-3k=7(-7k-4) equation: 



28-3k=7(-7k-4)

We move all terms to the left:

28-3k-(7(-7k-4))=0



We calculate terms in parentheses: -(7(-7k-4)), so:

7(-7k-4)

We multiply parentheses

-49k-28

Back to the equation:

-(-49k-28)



We get rid of parentheses

-3k+49k+28+28=0

We add all the numbers together, and all the variables

46k+56=0

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

46k=-56

k=-56/46

k=-1+5/23

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