3k-69=-6k+-8(-6k+-6)

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Solution for 3k-69=-6k+-8(-6k+-6) equation: 



3k-69=-6k+-8(-6k+-6)

We move all terms to the left:

3k-69-(-6k+-8(-6k+-6))=0

We add all the numbers together, and all the variables

3k-(-6k+-8(-6k-6))-69=0

We use the square of the difference formula

3k-(-6k-8(-6k-6))-69=0



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

-6k-8(-6k-6)

We multiply parentheses

-6k+48k+48

We add all the numbers together, and all the variables

42k+48

Back to the equation:

-(42k+48)



We get rid of parentheses

3k-42k-48-69=0

We add all the numbers together, and all the variables

-39k-117=0

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

-39k=117

k=117/-39

k=-3

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