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-1/2(4n+2)=19
We move all terms to the left:
-1/2(4n+2)-(19)=0
Domain of the equation: 2(4n+2)!=0We multiply all the terms by the denominator
n∈R
-19*2(4n+2)-1=0
Wy multiply elements
-38n(4-1=0
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