-21=-5(6k+2)

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Solution for -21=-5(6k+2) equation: 



-21=-5(6k+2)

We move all terms to the left:

-21-(-5(6k+2))=0



We calculate terms in parentheses: -(-5(6k+2)), so:

-5(6k+2)

We multiply parentheses

-30k-10

Back to the equation:

-(-30k-10)



We get rid of parentheses

30k+10-21=0

We add all the numbers together, and all the variables

30k-11=0

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

30k=11

k=11/30

k=11/30

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