18=(k+3)

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Solution for 18=(k+3) equation: 



18=(k+3)

We move all terms to the left:

18-((k+3))=0



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

(k+3)

We get rid of parentheses

k+3

Back to the equation:

-(k+3)



We get rid of parentheses

-k-3+18=0

We add all the numbers together, and all the variables

-1k+15=0

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

-k=-15

k=-15/-1

k=+15

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