3k-18=(k-)

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



3k-18=(k-)

We move all terms to the left:

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

We add all the numbers together, and all the variables

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



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

(+k)

We get rid of parentheses

k

Back to the equation:

-(k)



We add all the numbers together, and all the variables

2k-18=0

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

2k=18

k=18/2

k=9

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