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8/n+7=12
We move all terms to the left:
8/n+7-(12)=0
Domain of the equation: n!=0We add all the numbers together, and all the variables
n∈R
8/n-5=0
We multiply all the terms by the denominator
-5*n+8=0
We add all the numbers together, and all the variables
-5n+8=0
We move all terms containing n to the left, all other terms to the right
-5n=-8
n=-8/-5
n=1+3/5
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