1/3(n+3)=7

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Solution for 1/3(n+3)=7 equation: 



1/3(n+3)=7

We move all terms to the left:

1/3(n+3)-(7)=0



Domain of the equation: 3(n+3)!=0

n∈R



We multiply all the terms by the denominator


-7*3(n+3)+1=0

Wy multiply elements

-21n(n+1=0

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