1/3*n-10=20

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Solution for 1/3*n-10=20 equation: 



1/3n-10=20

We move all terms to the left:

1/3n-10-(20)=0



Domain of the equation: 3n!=0

n!=0/3

n!=0

n∈R



We add all the numbers together, and all the variables

1/3n-30=0

We multiply all the terms by the denominator


-30*3n+1=0

Wy multiply elements

-90n+1=0

We move all terms containing n to the left, all other terms to the right

-90n=-1

n=-1/-90

n=1/90

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