-390=-6(1+8k)

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Solution for -390=-6(1+8k) equation: 



-390=-6(1+8k)

We move all terms to the left:

-390-(-6(1+8k))=0

We add all the numbers together, and all the variables

-(-6(8k+1))-390=0



We calculate terms in parentheses: -(-6(8k+1)), so:

-6(8k+1)

We multiply parentheses

-48k-6

Back to the equation:

-(-48k-6)



We get rid of parentheses

48k+6-390=0

We add all the numbers together, and all the variables

48k-384=0

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

48k=384

k=384/48

k=8

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