1/2(n+4)=20

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Solution for 1/2(n+4)=20 equation: 



1/2(n+4)=20

We move all terms to the left:

1/2(n+4)-(20)=0



Domain of the equation: 2(n+4)!=0

n∈R



We multiply all the terms by the denominator


-20*2(n+4)+1=0

Wy multiply elements

-40n(n+1=0

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