7n/7=21

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Solution for 7n/7=21 equation: 



7n/7=21

We move all terms to the left:

7n/7-(21)=0

We multiply all the terms by the denominator


7n-21*7=0

We add all the numbers together, and all the variables

7n-147=0

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

7n=147

n=147/7

n=21

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