7n-7=2n+9

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Solution for 7n-7=2n+9 equation: 



7n-7=2n+9

We move all terms to the left:

7n-7-(2n+9)=0

We get rid of parentheses

7n-2n-9-7=0

We add all the numbers together, and all the variables

5n-16=0

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

5n=16

n=16/5

n=3+1/5

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