105/x-105/(x-4)=0.8

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Solution for 105/x-105/(x-4)=0.8 equation: 



105/x-105/(x-4)=0.8

We move all terms to the left:

105/x-105/(x-4)-(0.8)=0



Domain of the equation: x!=0

x∈R





Domain of the equation: (x-4)!=0

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

x!=4

x∈R



We add all the numbers together, and all the variables

105/x-105/(x-4)-0.8=0

We calculate fractions


(105x-420)/(x^2-4x)+(-105x)/(x^2-4x)-0.8=0

We multiply all the terms by the denominator


(105x-420)+(-105x)-(0.8)*(x^2-4x)=0

We get rid of parentheses

105x-105x-(0.8)*(x^2-4x)-420=0

We add all the numbers together, and all the variables

-(0.8)*(x^2-4x)-420=0

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

-(0.8)*(x^2-4x)=420

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