30.5=-5(8.5k-4)

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Solution for 30.5=-5(8.5k-4) equation: 



30.5=-5(8.5k-4)

We move all terms to the left:

30.5-(-5(8.5k-4))=0



We calculate terms in parentheses: -(-5(8.5k-4)), so:

-5(8.5k-4)

We multiply parentheses

-40k+20

Back to the equation:

-(-40k+20)



We get rid of parentheses

40k-20+30.5=0

We add all the numbers together, and all the variables

40k+10.5=0

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

40k=-10.5

k=-10.5/40

k=-1/3.80952380952

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