42=7k/3

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Solution for 42=7k/3 equation: 



42=7k/3

We move all terms to the left:

42-(7k/3)=0

We add all the numbers together, and all the variables

-(+7k/3)+42=0

We get rid of parentheses

-7k/3+42=0

We multiply all the terms by the denominator


-7k+42*3=0

We add all the numbers together, and all the variables

-7k+126=0

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

-7k=-126

k=-126/-7

k=+18

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