1/2n-21=20

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Solution for 1/2n-21=20 equation: 



1/2n-21=20

We move all terms to the left:

1/2n-21-(20)=0



Domain of the equation: 2n!=0

n!=0/2

n!=0

n∈R



We add all the numbers together, and all the variables

1/2n-41=0

We multiply all the terms by the denominator


-41*2n+1=0

Wy multiply elements

-82n+1=0

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

-82n=-1

n=-1/-82

n=1/82

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