n/2-3=18

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Solution for n/2-3=18 equation: 



n/2-3=18

We move all terms to the left:

n/2-3-(18)=0

We add all the numbers together, and all the variables

n/2-21=0

We multiply all the terms by the denominator


n-21*2=0

We add all the numbers together, and all the variables

n-42=0

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

n=42

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