20=40+3/x-1

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Solution for 20=40+3/x-1 equation: 



20=40+3/x-1

We move all terms to the left:

20-(40+3/x-1)=0



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

x∈R



We add all the numbers together, and all the variables

-(3/x+39)+20=0

We get rid of parentheses

-3/x-39+20=0

We multiply all the terms by the denominator


-39*x+20*x-3=0

We add all the numbers together, and all the variables

-19x-3=0

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

-19x=3

x=3/-19

x=-3/19

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