-20.5-9.5k=-9(6.5k+4.5)

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Solution for -20.5-9.5k=-9(6.5k+4.5) equation: 



-20.5-9.5k=-9(6.5k+4.5)

We move all terms to the left:

-20.5-9.5k-(-9(6.5k+4.5))=0



We calculate terms in parentheses: -(-9(6.5k+4.5)), so:

-9(6.5k+4.5)

We multiply parentheses

-54k-40.5

Back to the equation:

-(-54k-40.5)



We get rid of parentheses

-9.5k+54k+40.5-20.5=0

We add all the numbers together, and all the variables

44.5k+20=0

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

44.5k=-20

k=-20/44.5

k=-5/11.125

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