-4=8(k-9)

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Solution for -4=8(k-9) equation: 



-4=8(k-9)

We move all terms to the left:

-4-(8(k-9))=0



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

8(k-9)

We multiply parentheses

8k-72

Back to the equation:

-(8k-72)



We get rid of parentheses

-8k+72-4=0

We add all the numbers together, and all the variables

-8k+68=0

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

-8k=-68

k=-68/-8

k=8+1/2

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