7n-7=18

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Solution for 7n-7=18 equation: 



7n-7=18

We move all terms to the left:

7n-7-(18)=0

We add all the numbers together, and all the variables

7n-25=0

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

7n=25

n=25/7

n=3+4/7

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