30/2=45/n

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Solution for 30/2=45/n equation:



30/2=45/n
We move all terms to the left:
30/2-(45/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
-(+45/n)+30/2=0
We add all the numbers together, and all the variables
-(+45/n)+15=0
We get rid of parentheses
-45/n+15=0
We multiply all the terms by the denominator
15*n-45=0
We add all the numbers together, and all the variables
15n-45=0
We move all terms containing n to the left, all other terms to the right
15n=45
n=45/15
n=3

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