n/9=21-15

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Solution for n/9=21-15 equation: 



n/9=21-15

We move all terms to the left:

n/9-(21-15)=0

We add all the numbers together, and all the variables

n/9-6=0

We multiply all the terms by the denominator


n-6*9=0

We add all the numbers together, and all the variables

n-54=0

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

n=54

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