9(n/2-1)-20=16

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Solution for 9(n/2-1)-20=16 equation: 



9(n/2-1)-20=16

We move all terms to the left:

9(n/2-1)-20-(16)=0

We add all the numbers together, and all the variables

9(n/2-1)-36=0

We multiply parentheses

9n-9-36=0

We add all the numbers together, and all the variables

9n-45=0

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

9n=45

n=45/9

n=5

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