-9+15k=-8(-3k+9)

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Solution for -9+15k=-8(-3k+9) equation: 



-9+15k=-8(-3k+9)

We move all terms to the left:

-9+15k-(-8(-3k+9))=0



We calculate terms in parentheses: -(-8(-3k+9)), so:

-8(-3k+9)

We multiply parentheses

24k-72

Back to the equation:

-(24k-72)



We get rid of parentheses

15k-24k+72-9=0

We add all the numbers together, and all the variables

-9k+63=0

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

-9k=-63

k=-63/-9

k=+7

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