(3+n)/7=18

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Solution for (3+n)/7=18 equation: 



(3+n)/7=18

We move all terms to the left:

(3+n)/7-(18)=0

We add all the numbers together, and all the variables

(n+3)/7-18=0

We multiply all the terms by the denominator


(n+3)-18*7=0

We add all the numbers together, and all the variables

(n+3)-126=0

We get rid of parentheses

n+3-126=0

We add all the numbers together, and all the variables

n-123=0

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

n=123

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