1/x-1+5=21/x-1

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Solution for 1/x-1+5=21/x-1 equation: 



1/x-1+5=21/x-1

We move all terms to the left:

1/x-1+5-(21/x-1)=0



Domain of the equation: x!=0

x∈R





Domain of the equation: x-1)!=0

x∈R



We add all the numbers together, and all the variables

1/x-(21/x-1)+4=0

We get rid of parentheses

1/x-21/x+1+4=0

We multiply all the terms by the denominator


1*x+4*x+1-21=0

We add all the numbers together, and all the variables

5x-20=0

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

5x=20

x=20/5

x=4

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