(18+n)/(30+n)=0.75

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Solution for (18+n)/(30+n)=0.75 equation: 



(18+n)/(30+n)=0.75

We move all terms to the left:

(18+n)/(30+n)-(0.75)=0



Domain of the equation: (30+n)!=0

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

n!=-30

n∈R



We add all the numbers together, and all the variables

(n+18)/(n+30)-(0.75)=0

We add all the numbers together, and all the variables

(n+18)/(n+30)-0.75=0

We multiply all the terms by the denominator


(n+18)-(0.75)*(n+30)=0

We get rid of parentheses

n-(0.75)*(n+30)+18=0

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

n-(0.75)*(n+30)=-18

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