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-7/2n=18
We move all terms to the left:
-7/2n-(18)=0
Domain of the equation: 2n!=0We multiply all the terms by the denominator
n!=0/2
n!=0
n∈R
-18*2n-7=0
Wy multiply elements
-36n-7=0
We move all terms containing n to the left, all other terms to the right
-36n=7
n=7/-36
n=-7/36
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