(0.3+0.7x)/x=0.85

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Solution for (0.3+0.7x)/x=0.85 equation: 



(0.3+0.7x)/x=0.85

We move all terms to the left:

(0.3+0.7x)/x-(0.85)=0



Domain of the equation: x!=0

x∈R



We add all the numbers together, and all the variables

(0.7x+0.3)/x-(0.85)=0

We add all the numbers together, and all the variables

(0.7x+0.3)/x-0.85=0

We multiply all the terms by the denominator


(0.7x+0.3)-(0.85)*x=0

We multiply parentheses

(0.7x+0.3)-0.85x=0

We get rid of parentheses

0.7x-0.85x+0.3=0

We add all the numbers together, and all the variables

-0.15x+0.3=0

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

-0.15x=-0.3

x=-0.3/-0.15

x=+2

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