42/14=18/n

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Solution for 42/14=18/n equation: 



42/14=18/n

We move all terms to the left:

42/14-(18/n)=0



Domain of the equation: n)!=0

n!=0/1

n!=0

n∈R



We add all the numbers together, and all the variables

-(+18/n)+42/14=0

We add all the numbers together, and all the variables

-(+18/n)+3=0

We get rid of parentheses

-18/n+3=0

We multiply all the terms by the denominator


3*n-18=0

We add all the numbers together, and all the variables

3n-18=0

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

3n=18

n=18/3

n=6

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