(18+x)/x=4/7

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Solution for (18+x)/x=4/7 equation: 



(18+x)/x=4/7

We move all terms to the left:

(18+x)/x-(4/7)=0



Domain of the equation: x!=0

x∈R



We add all the numbers together, and all the variables

(x+18)/x-(+4/7)=0

We get rid of parentheses

(x+18)/x-4/7=0

We calculate fractions


(7x+126)/7x+(-4x)/7x=0

We multiply all the terms by the denominator


(7x+126)+(-4x)=0

We get rid of parentheses

7x-4x+126=0

We add all the numbers together, and all the variables

3x+126=0

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

3x=-126

x=-126/3

x=-42

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