n+(n+1)/2=30,5

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Solution for n+(n+1)/2=30,5 equation: 



n+(n+1)/2=30.5

We move all terms to the left:

n+(n+1)/2-(30.5)=0

We add all the numbers together, and all the variables

n+(n+1)/2-30.5=0

We multiply all the terms by the denominator


n*2+(n+1)-(30.5)*2=0

We add all the numbers together, and all the variables

n*2+(n+1)-61=0

Wy multiply elements

2n+(n+1)-61=0

We get rid of parentheses

2n+n+1-61=0

We add all the numbers together, and all the variables

3n-60=0

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

3n=60

n=60/3

n=20

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