7n+2=21

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Solution for 7n+2=21 equation: 



7n+2=21

We move all terms to the left:

7n+2-(21)=0

We add all the numbers together, and all the variables

7n-19=0

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

7n=19

n=19/7

n=2+5/7

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