21=k/7

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Solution for 21=k/7 equation: 



21=k/7

We move all terms to the left:

21-(k/7)=0

We add all the numbers together, and all the variables

-(+k/7)+21=0

We get rid of parentheses

-k/7+21=0

We multiply all the terms by the denominator


-k+21*7=0

We add all the numbers together, and all the variables

-1k+147=0

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

-k=-147

k=-147/-1

k=+147

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