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3)1/2n=60
We move all terms to the left:
3)1/2n-(60)=0
Domain of the equation: 2n-60!=0We multiply all the terms by the denominator
We move all terms containing n to the left, all other terms to the right
2n!=60
n!=60/2
n!=30
n∈R
3)1=0
We add all the numbers together, and all the variables
=0
n=0/1
n=0
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