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7/n=4
We move all terms to the left:
7/n-(4)=0
Domain of the equation: n!=0We multiply all the terms by the denominator
n∈R
-4*n+7=0
We add all the numbers together, and all the variables
-4n+7=0
We move all terms containing n to the left, all other terms to the right
-4n=-7
n=-7/-4
n=1+3/4
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