42.3=k*9

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Solution for 42.3=k*9 equation: 



42.3=k*9

We move all terms to the left:

42.3-(k*9)=0

We add all the numbers together, and all the variables

-(+k*9)+42.3=0

We get rid of parentheses

-k*9+42.3=0

Wy multiply elements

-9k+42.3=0

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

-9k=-42.3

k=-42.3/-9

k=4+1.9090909090909/2.7272727272727

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