9+n/2=21

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Solution for 9+n/2=21 equation: 



9+n/2=21

We move all terms to the left:

9+n/2-(21)=0

We add all the numbers together, and all the variables

n/2-12=0

We multiply all the terms by the denominator


n-12*2=0

We add all the numbers together, and all the variables

n-24=0

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

n=24

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