1/7k-2=3/7k+4

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Solution for 1/7k-2=3/7k+4 equation: 



1/7k-2=3/7k+4

We move all terms to the left:

1/7k-2-(3/7k+4)=0



Domain of the equation: 7k!=0

k!=0/7

k!=0

k∈R





Domain of the equation: 7k+4)!=0

k∈R



We get rid of parentheses

1/7k-3/7k-4-2=0

We multiply all the terms by the denominator


-4*7k-2*7k+1-3=0

We add all the numbers together, and all the variables

-4*7k-2*7k-2=0

Wy multiply elements

-28k-14k-2=0

We add all the numbers together, and all the variables

-42k-2=0

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

-42k=2

k=2/-42

k=-1/21

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