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-3+1/2n=1/2n+7
We move all terms to the left:
-3+1/2n-(1/2n+7)=0
Domain of the equation: 2n!=0
n!=0/2
n!=0
n∈R
Domain of the equation: 2n+7)!=0We get rid of parentheses
n∈R
1/2n-1/2n-7-3=0
We multiply all the terms by the denominator
-7*2n-3*2n+1-1=0
We add all the numbers together, and all the variables
-7*2n-3*2n=0
Wy multiply elements
-14n-6n=0
We add all the numbers together, and all the variables
-20n=0
n=0/-20
n=0
Równanie nie ma rozwiązania
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