7/8=21/k

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Solution for 7/8=21/k equation: 



7/8=21/k

We move all terms to the left:

7/8-(21/k)=0



Domain of the equation: k)!=0

k!=0/1

k!=0

k∈R



We add all the numbers together, and all the variables

-(+21/k)+7/8=0

We get rid of parentheses

-21/k+7/8=0

We calculate fractions

There is no solution for this equation

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