18=-3(k+8)

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Solution for 18=-3(k+8) equation: 



18=-3(k+8)

We move all terms to the left:

18-(-3(k+8))=0



We calculate terms in parentheses: -(-3(k+8)), so:

-3(k+8)

We multiply parentheses

-3k-24

Back to the equation:

-(-3k-24)



We get rid of parentheses

3k+24+18=0

We add all the numbers together, and all the variables

3k+42=0

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

3k=-42

k=-42/3

k=-14

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