2.1/x+1.8=3/10x

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Solution for 2.1/x+1.8=3/10x equation: 



2.1/x+1.8=3/10x

We move all terms to the left:

2.1/x+1.8-(3/10x)=0



Domain of the equation: x!=0

x∈R





Domain of the equation: 10x)!=0

x!=0/1

x!=0

x∈R



We add all the numbers together, and all the variables

2.1/x-(+3/10x)+1.8=0

We get rid of parentheses

2.1/x-3/10x+1.8=0

We calculate fractions


(2.1*10x)/10x^2+(-3x)/10x^2+1.8=0

We add all the numbers together, and all the variables

(+2.1*10x)/10x^2+(-3x)/10x^2+1.8=0

We multiply all the terms by the denominator


(+2.1*10x)+(-3x)+(1.8)*10x^2=0

We get rid of parentheses

2.1*10x-3x+(1.8)*10x^2=0

We add all the numbers together, and all the variables

-3x+2.1*10x+(1.8)*10x^2=0

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