K-42=k*9

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Solution for K-42=k*9 equation: 



-42=K*9

We move all terms to the left:

-42-(K*9)=0

We add all the numbers together, and all the variables

-(+K*9)-42=0

We get rid of parentheses

-K*9-42=0

Wy multiply elements

-9K-42=0

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

-9K=42

K=42/-9

K=-4+2/3

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