28+8k=-2(3k+7)

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Solution for 28+8k=-2(3k+7) equation: 



28+8k=-2(3k+7)

We move all terms to the left:

28+8k-(-2(3k+7))=0



We calculate terms in parentheses: -(-2(3k+7)), so:

-2(3k+7)

We multiply parentheses

-6k-14

Back to the equation:

-(-6k-14)



We get rid of parentheses

8k+6k+14+28=0

We add all the numbers together, and all the variables

14k+42=0

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

14k=-42

k=-42/14

k=-3

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