(84+x)/x=15/5

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Solution for (84+x)/x=15/5 equation: 



(84+x)/x=15/5

We move all terms to the left:

(84+x)/x-(15/5)=0



Domain of the equation: x!=0

x∈R



We add all the numbers together, and all the variables

(x+84)/x-3=0

We multiply all the terms by the denominator


(x+84)-3*x=0

We add all the numbers together, and all the variables

-3x+(x+84)=0

We get rid of parentheses

-3x+x+84=0

We add all the numbers together, and all the variables

-2x+84=0

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

-2x=-84

x=-84/-2

x=+42

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