3/7k-3=21

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Solution for 3/7k-3=21 equation: 



3/7k-3=21

We move all terms to the left:

3/7k-3-(21)=0



Domain of the equation: 7k!=0

k!=0/7

k!=0

k∈R



We add all the numbers together, and all the variables

3/7k-24=0

We multiply all the terms by the denominator


-24*7k+3=0

Wy multiply elements

-168k+3=0

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

-168k=-3

k=-3/-168

k=1/56

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