20=k(-30)

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Solution for 20=k(-30) equation: 



20=k(-30)

We move all terms to the left:

20-(k(-30))=0



We calculate terms in parentheses: -(k(-30)), so:

k(-30)

We multiply parentheses

-30k

Back to the equation:

-(-30k)



We get rid of parentheses

30k+20=0

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

30k=-20

k=-20/30

k=-2/3

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