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7+3n=5/2(2n-10)
We move all terms to the left:
7+3n-(5/2(2n-10))=0
Domain of the equation: 2(2n-10))!=0We multiply all the terms by the denominator
n∈R
3n*2(2n-10))-(5+7*2(2n-10))=0
Wy multiply elements
6n^2(2+14n(2=0
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