n-21/2=21/2

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



n-21/2=21/2

We move all terms to the left:

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

We add all the numbers together, and all the variables

n-21/2-(+21/2)=0

We get rid of parentheses

n-21/2-21/2=0

We multiply all the terms by the denominator


n*2-21-21=0

We add all the numbers together, and all the variables

n*2-42=0

Wy multiply elements

2n-42=0

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

2n=42

n=42/2

n=21

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