15=9-1/2n

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Solution for 15=9-1/2n equation: 



15=9-1/2n

We move all terms to the left:

15-(9-1/2n)=0



Domain of the equation: 2n)!=0

n!=0/1

n!=0

n∈R



We add all the numbers together, and all the variables

-(-1/2n+9)+15=0

We get rid of parentheses

1/2n-9+15=0

We multiply all the terms by the denominator


-9*2n+15*2n+1=0

Wy multiply elements

-18n+30n+1=0

We add all the numbers together, and all the variables

12n+1=0

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

12n=-1

n=-1/12

n=-1/12

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