3n/3=21/3

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Solution for 3n/3=21/3 equation: 



3n/3=21/3

We move all terms to the left:

3n/3-(21/3)=0

We add all the numbers together, and all the variables

3n/3-7=0

We multiply all the terms by the denominator


3n-7*3=0

We add all the numbers together, and all the variables

3n-21=0

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

3n=21

n=21/3

n=7

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