111=-3(-7-6k)

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Solution for 111=-3(-7-6k) equation: 



111=-3(-7-6k)

We move all terms to the left:

111-(-3(-7-6k))=0

We add all the numbers together, and all the variables

-(-3(-6k-7))+111=0



We calculate terms in parentheses: -(-3(-6k-7)), so:

-3(-6k-7)

We multiply parentheses

18k+21

Back to the equation:

-(18k+21)



We get rid of parentheses

-18k-21+111=0

We add all the numbers together, and all the variables

-18k+90=0

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

-18k=-90

k=-90/-18

k=+5

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